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Comparing deliantra/server/lib/cf.pm (file contents):
Revision 1.166 by root, Sat Jan 13 23:06:13 2007 UTC vs.
Revision 1.537 by root, Sun May 2 19:16:16 2010 UTC

		1	#
		2	# This file is part of Deliantra, the Roguelike Realtime MMORPG.
		3	#
		4	# Copyright (©) 2006,2007,2008,2009,2010 Marc Alexander Lehmann / Robin Redeker / the Deliantra team
		5	#
		6	# Deliantra is free software: you can redistribute it and/or modify it under
		7	# the terms of the Affero GNU General Public License as published by the
		8	# Free Software Foundation, either version 3 of the License, or (at your
		9	# option) any later version.
		10	#
		11	# This program is distributed in the hope that it will be useful,
		12	# but WITHOUT ANY WARRANTY; without even the implied warranty of
		13	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
		14	# GNU General Public License for more details.
		15	#
		16	# You should have received a copy of the Affero GNU General Public License
		17	# and the GNU General Public License along with this program. If not, see
		18	# <http://www.gnu.org/licenses/>.
		19	#
		20	# The authors can be reached via e-mail to <support@deliantra.net>
		21	#
		22
1	package cf;	23	package cf;
2		24
		25	use 5.10.0;
3	use utf8;	26	use utf8;
4	use strict;	27	use strict qw(vars subs);
5		28
6	use Symbol;	29	use Symbol;
7	use List::Util;	30	use List::Util;
8	use Storable;	31	use Socket;
		32	use EV;
9	use Opcode;	33	use Opcode;
10	use Safe;	34	use Safe;
11	use Safe::Hole;	35	use Safe::Hole;
		36	use Storable ();
		37	use Carp ();
12		38
		39	use Guard ();
13	use Coro 3.3 ();	40	use Coro ();
		41	use Coro::State;
		42	use Coro::Handle;
		43	use Coro::EV;
14	use Coro::Event;	44	use Coro::AnyEvent;
15	use Coro::Timer;	45	use Coro::Timer;
16	use Coro::Signal;	46	use Coro::Signal;
17	use Coro::Semaphore;	47	use Coro::Semaphore;
		48	use Coro::SemaphoreSet;
		49	use Coro::AnyEvent;
18	use Coro::AIO;	50	use Coro::AIO;
		51	use Coro::BDB 1.6;
		52	use Coro::Storable;
		53	use Coro::Util ();
19		54
		55	use JSON::XS 2.01 ();
		56	use BDB ();
20	use Data::Dumper;	57	use Data::Dumper;
21	use Digest::MD5;
22	use Fcntl;	58	use Fcntl;
23	use IO::AIO 2.32 ();
24	use YAML::Syck ();	59	use YAML::XS ();
		60	use IO::AIO ();
25	use Time::HiRes;	61	use Time::HiRes;
		62	use Compress::LZF;
		63	use Digest::MD5 ();
26		64
27	use Event; $Event::Eval = 1; # no idea why this is required, but it is	65	AnyEvent::detect;
		66
		67	# configure various modules to our taste
		68	#
		69	$Storable::canonical = 1; # reduce rsync transfers
		70	Coro::State::cctx_stacksize 256000; # 1-2MB stack, for deep recursions in maze generator
		71
		72	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
		73
		74	# make sure c-lzf reinitialises itself
		75	Compress::LZF::set_serializer "Storable", "Storable::net_mstore", "Storable::mretrieve";
		76	Compress::LZF::sfreeze_cr { }; # prime Compress::LZF so it does not use require later
		77
		78	# strictly for debugging
		79	$SIG{QUIT} = sub { Carp::cluck "SIGQUIT" };
28		80
29	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload	81	sub WF_AUTOCANCEL () { 1 } # automatically cancel this watcher on reload
30
31	# work around bug in YAML::Syck - bad news for perl6, will it be as broken wrt. unicode?
32	$YAML::Syck::ImplicitUnicode = 1;
33
34	$Coro::main->prio (Coro::PRIO_MAX); # run main coroutine ("the server") with very high priority
35		82
36	our %COMMAND = ();	83	our %COMMAND = ();
37	our %COMMAND_TIME = ();	84	our %COMMAND_TIME = ();
38		85
39	our @EXTS = (); # list of extension package names	86	our @EXTS = (); # list of extension package names
40	our %EXTCMD = ();	87	our %EXTCMD = ();
		88	our %EXTICMD = ();
41	our %EXT_CORO = (); # coroutines bound to extensions	89	our %EXT_CORO = (); # coroutines bound to extensions
42	our %EXT_MAP = (); # pluggable maps	90	our %EXT_MAP = (); # pluggable maps
43		91
		92	our $RELOAD; # number of reloads so far, non-zero while in reload
44	our @EVENT;	93	our @EVENT;
45	our $LIBDIR = datadir . "/ext";	94	our @REFLECT; # set by XS
		95	our %REFLECT; # set by us
46		96
47	our $TICK = MAX_TIME * 1e-6;	97	our $CONFDIR = confdir;
48	our $TICK_WATCHER;	98	our $DATADIR = datadir;
		99	our $LIBDIR = "$DATADIR/ext";
		100	our $PODDIR = "$DATADIR/pod";
		101	our $MAPDIR = "$DATADIR/" . mapdir;
		102	our $LOCALDIR = localdir;
		103	our $TMPDIR = "$LOCALDIR/" . tmpdir;
		104	our $UNIQUEDIR = "$LOCALDIR/" . uniquedir;
		105	our $PLAYERDIR = "$LOCALDIR/" . playerdir;
		106	our $RANDOMDIR = "$LOCALDIR/random";
		107	our $BDBDIR = "$LOCALDIR/db";
		108	our $PIDFILE = "$LOCALDIR/pid";
		109	our $RUNTIMEFILE = "$LOCALDIR/runtime";
		110
		111	our %RESOURCE; # unused
		112
		113	our $OUTPUT_RATE_MIN = 3000;
		114	our $OUTPUT_RATE_MAX = 1000000;
		115
		116	our $MAX_LINKS = 32; # how many chained exits to follow
		117	our $VERBOSE_IO = 1;
		118
		119	our $TICK = MAX_TIME * 1e-6; # this is a CONSTANT(!)
		120	our $NEXT_RUNTIME_WRITE; # when should the runtime file be written
49	our $NEXT_TICK;	121	our $NEXT_TICK;
50	our $NOW;	122	our $USE_FSYNC = 1; # use fsync to write maps - default on
		123
		124	our $BDB_DEADLOCK_WATCHER;
		125	our $BDB_CHECKPOINT_WATCHER;
		126	our $BDB_TRICKLE_WATCHER;
		127	our $DB_ENV;
		128
		129	our @EXTRA_MODULES = qw(pod match mapscript);
51		130
52	our %CFG;	131	our %CFG;
53		132
54	our $UPTIME; $UPTIME ||= time;	133	our $UPTIME; $UPTIME ||= time;
55	our $RUNTIME;	134	our $RUNTIME;
		135	our $NOW;
56		136
57	our %PLAYER; # all users	137	our (%PLAYER, %PLAYER_LOADING); # all users
58	our %MAP; # all maps	138	our (%MAP, %MAP_LOADING ); # all maps
59	our $LINK_MAP; # the special {link} map, which is always available	139	our $LINK_MAP; # the special {link} map, which is always available
60	our $RANDOM_MAPS = cf::localdir . "/random";
61
62	our $WAIT_FOR_TICK; $WAIT_FOR_TICK ||= new Coro::Signal;
63	our $WAIT_FOR_TICK_ONE; $WAIT_FOR_TICK_ONE ||= new Coro::Signal;
64		140
65	# used to convert map paths into valid unix filenames by replacing / by ∕	141	# used to convert map paths into valid unix filenames by replacing / by ∕
66	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons	142	our $PATH_SEP = "∕"; # U+2215, chosen purely for visual reasons
67		143
		144	our $LOAD; # a number between 0 (idle) and 1 (too many objects)
		145	our $LOADAVG; # same thing, but with alpha-smoothing
		146	our $JITTER; # average jitter
		147	our $TICK_START; # for load detecting purposes
		148
		149	our @POST_INIT;
		150
		151	our $REATTACH_ON_RELOAD; # set to true to force object reattach on reload (slow)
		152	our $REALLY_UNLOOP; # never set to true, please :)
		153
68	binmode STDOUT;	154	binmode STDOUT;
69	binmode STDERR;	155	binmode STDERR;
70		156
71	# read virtual server time, if available	157	# read virtual server time, if available
72	unless ($RUNTIME || !-e cf::localdir . "/runtime") {	158	unless ($RUNTIME || !-e $RUNTIMEFILE) {
73	open my $fh, "<", cf::localdir . "/runtime"	159	open my $fh, "<", $RUNTIMEFILE
74	or die "unable to read runtime file: $!";	160	or die "unable to read $RUNTIMEFILE file: $!";
75	$RUNTIME = <$fh> + 0.;	161	$RUNTIME = <$fh> + 0.;
76	}	162	}
77		163
78	mkdir cf::localdir;	164	eval "sub TICK() { $TICK } 1" or die;
79	mkdir cf::localdir . "/" . cf::playerdir;	165
80	mkdir cf::localdir . "/" . cf::tmpdir;	166	mkdir $_
81	mkdir cf::localdir . "/" . cf::uniquedir;	167	for $LOCALDIR, $TMPDIR, $UNIQUEDIR, $PLAYERDIR, $RANDOMDIR, $BDBDIR;
82	mkdir $RANDOM_MAPS;
83		168
84	our $EMERGENCY_POSITION;	169	our $EMERGENCY_POSITION;
		170
		171	sub cf::map::normalise;
		172
		173	sub in_main() {
		174	$Coro::current == $Coro::main
		175	}
		176
		177	#############################################################################
		178
		179	%REFLECT = ();
		180	for (@REFLECT) {
		181	my $reflect = JSON::XS::decode_json $_;
		182	$REFLECT{$reflect->{class}} = $reflect;
		183	}
		184
		185	# this is decidedly evil
		186	$REFLECT{object}{flags} = { map +($_ => undef), grep $_, map /^FLAG_([A-Z0-9_]+)$/ && lc $1, keys %{"cf::"} };
85		187
86	#############################################################################	188	#############################################################################
87		189
88	=head2 GLOBAL VARIABLES	190	=head2 GLOBAL VARIABLES
89		191
…		…
96	=item $cf::RUNTIME	198	=item $cf::RUNTIME
97		199
98	The time this server has run, starts at 0 and is increased by $cf::TICK on	200	The time this server has run, starts at 0 and is increased by $cf::TICK on
99	every server tick.	201	every server tick.
100		202
101	=item $cf::LIBDIR	203	=item $cf::CONFDIR $cf::DATADIR $cf::LIBDIR $cf::PODDIR
		204	$cf::MAPDIR $cf::LOCALDIR $cf::TMPDIR $cf::UNIQUEDIR
		205	$cf::PLAYERDIR $cf::RANDOMDIR $cf::BDBDIR
102		206
103	The perl library directory, where extensions and cf-specific modules can	207	Various directories - "/etc", read-only install directory, perl-library
104	be found. It will be added to C<@INC> automatically.	208	directory, pod-directory, read-only maps directory, "/var", "/var/tmp",
		209	unique-items directory, player file directory, random maps directory and
		210	database environment.
105		211
106	=item $cf::NOW	212	=item $cf::NOW
107		213
108	The time of the last (current) server tick.	214	The time of the last (current) server tick.
109		215
110	=item $cf::TICK	216	=item $cf::TICK
111		217
112	The interval between server ticks, in seconds.	218	The interval between server ticks, in seconds.
113		219
		220	=item $cf::LOADAVG
		221
		222	The current CPU load on the server (alpha-smoothed), as a value between 0
		223	(none) and 1 (overloaded), indicating how much time is spent on processing
		224	objects per tick. Healthy values are < 0.5.
		225
		226	=item $cf::LOAD
		227
		228	The raw value load value from the last tick.
		229
114	=item %cf::CFG	230	=item %cf::CFG
115		231
116	Configuration for the server, loaded from C</etc/crossfire/config>, or	232	Configuration for the server, loaded from C</etc/deliantra-server/config>, or
117	from wherever your confdir points to.	233	from wherever your confdir points to.
118		234
119	=item $cf::WAIT_FOR_TICK, $cf::WAIT_FOR_TICK_ONE	235	=item cf::wait_for_tick, cf::wait_for_tick_begin
120		236
121	These are Coro::Signal objects that are C<< ->broadcast >> (WAIT_FOR_TICK)	237	These are functions that inhibit the current coroutine one tick. cf::wait_for_tick_begin only
122	or C<< ->send >> (WAIT_FOR_TICK_ONE) on after normal server tick	238	returns directly I<after> the tick processing (and consequently, can only wake one process
123	processing has been done. Call C<< ->wait >> on them to maximise the	239	per tick), while cf::wait_for_tick wakes up all waiters after tick processing.
124	window of cpu time available, or simply to synchronise to the server tick.	240
		241	=item @cf::INVOKE_RESULTS
		242
		243	This array contains the results of the last C<invoke ()> call. When
		244	C<cf::override> is called C<@cf::INVOKE_RESULTS> is set to the parameters of
		245	that call.
		246
		247	=item %cf::REFLECT
		248
		249	Contains, for each (C++) class name, a hash reference with information
		250	about object members (methods, scalars, arrays and flags) and other
		251	metadata, which is useful for introspection.
125		252
126	=back	253	=back
127		254
128	=cut	255	=cut
129		256
130	BEGIN {	257	sub error(@) { LOG llevError, join "", @_ }
131	*CORE::GLOBAL::warn = sub {	258	sub warn (@) { LOG llevWarn , join "", @_ }
		259	sub info (@) { LOG llevInfo , join "", @_ }
		260	sub debug(@) { LOG llevDebug, join "", @_ }
		261	sub trace(@) { LOG llevTrace, join "", @_ }
		262
		263	$Coro::State::WARNHOOK = sub {
132	my $msg = join "", @_;	264	my $msg = join "", @_;
133	utf8::encode $msg;
134		265
135	$msg .= "\n"	266	$msg .= "\n"
136	unless $msg =~ /\n$/;	267	unless $msg =~ /\n$/;
137		268
		269	$msg =~ s/([\x00-\x08\x0b-\x1f])/sprintf "\\x%02x", ord $1/ge;
		270
138	LOG llevError, $msg;	271	LOG llevWarn, $msg;
139	};	272	};
140	}	273
		274	$Coro::State::DIEHOOK = sub {
		275	return unless $^S eq 0; # "eq", not "=="
		276
		277	error Carp::longmess $_[0];
		278
		279	if (in_main) {#d#
		280	error "DIEHOOK called in main context, Coro bug?\n";#d#
		281	return;#d#
		282	}#d#
		283
		284	# kill coroutine otherwise
		285	Coro::terminate
		286	};
141		287
142	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';	288	@safe::cf::global::ISA = @cf::global::ISA = 'cf::attachable';
143	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';	289	@safe::cf::object::ISA = @cf::object::ISA = 'cf::attachable';
144	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';	290	@safe::cf::player::ISA = @cf::player::ISA = 'cf::attachable';
145	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';	291	@safe::cf::client::ISA = @cf::client::ISA = 'cf::attachable';
146	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';	292	@safe::cf::map::ISA = @cf::map::ISA = 'cf::attachable';
		293	@safe::cf::arch::ISA = @cf::arch::ISA = 'cf::object';
147	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object';	294	@safe::cf::object::player::ISA = @cf::object::player::ISA = 'cf::object'; # not really true (yet)
148		295
149	# we bless all objects into (empty) derived classes to force a method lookup	296	# we bless all objects into (empty) derived classes to force a method lookup
150	# within the Safe compartment.	297	# within the Safe compartment.
151	for my $pkg (qw(	298	for my $pkg (qw(
152	cf::global cf::attachable	299	cf::global cf::attachable
153	cf::object cf::object::player	300	cf::object cf::object::player
154	cf::client cf::player	301	cf::client cf::player
155	cf::arch cf::living	302	cf::arch cf::living
		303	cf::map cf::mapspace
156	cf::map cf::party cf::region	304	cf::party cf::region
157	)) {	305	)) {
158	no strict 'refs';
159	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;	306	@{"safe::$pkg\::wrap::ISA"} = @{"$pkg\::wrap::ISA"} = $pkg;
160	}	307	}
161		308
162	$Event::DIED = sub {	309	$EV::DIED = sub {
163	warn "error in event callback: @_";	310	Carp::cluck "error in event callback: @_";
164	};	311	};
		312
		313	#############################################################################
165		314
166	=head2 UTILITY FUNCTIONS	315	=head2 UTILITY FUNCTIONS
167		316
168	=over 4	317	=over 4
169		318
…		…
188	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;	337	$d =~ s/([\x00-\x07\x09\x0b\x0c\x0e-\x1f])/sprintf "\\x%02x", ord($1)/ge;
189	$d	338	$d
190	} || "[unable to dump $_[0]: '$@']";	339	} || "[unable to dump $_[0]: '$@']";
191	}	340	}
192		341
193	use JSON::Syck (); # TODO# replace by JSON::PC once working
194
195	=item $ref = cf::from_json $json	342	=item $ref = cf::decode_json $json
196		343
197	Converts a JSON string into the corresponding perl data structure.	344	Converts a JSON string into the corresponding perl data structure.
198		345
199	=cut
200
201	sub from_json($) {
202	$JSON::Syck::ImplicitUnicode = 1; # work around JSON::Syck bugs
203	JSON::Syck::Load $_[0]
204	}
205
206	=item $json = cf::to_json $ref	346	=item $json = cf::encode_json $ref
207		347
208	Converts a perl data structure into its JSON representation.	348	Converts a perl data structure into its JSON representation.
209		349
210	=cut	350	=cut
211		351
212	sub to_json($) {	352	our $json_coder = JSON::XS->new->utf8->max_size (1e6); # accept ~1mb max
213	$JSON::Syck::ImplicitUnicode = 0; # work around JSON::Syck bugs	353
214	JSON::Syck::Dump $_[0]	354	sub encode_json($) { $json_coder->encode ($_[0]) }
		355	sub decode_json($) { $json_coder->decode ($_[0]) }
		356
		357	=item cf::post_init { BLOCK }
		358
		359	Execute the given codeblock, I<after> all extensions have been (re-)loaded,
		360	but I<before> the server starts ticking again.
		361
		362	The cdoeblock will have a single boolean argument to indicate whether this
		363	is a reload or not.
		364
		365	=cut
		366
		367	sub post_init(&) {
		368	push @POST_INIT, shift;
215	}	369	}
216		370
217	=item cf::lock_wait $string	371	=item cf::lock_wait $string
218		372
219	Wait until the given lock is available. See cf::lock_acquire.	373	Wait until the given lock is available. See cf::lock_acquire.
220		374
221	=item my $lock = cf::lock_acquire $string	375	=item my $lock = cf::lock_acquire $string
222		376
223	Wait until the given lock is available and then acquires it and returns	377	Wait until the given lock is available and then acquires it and returns
224	a Coro::guard object. If the guard object gets destroyed (goes out of scope,	378	a L<Guard> object. If the guard object gets destroyed (goes out of scope,
225	for example when the coroutine gets canceled), the lock is automatically	379	for example when the coroutine gets canceled), the lock is automatically
226	returned.	380	returned.
227		381
		382	Locks are *not* recursive, locking from the same coro twice results in a
		383	deadlocked coro.
		384
228	Lock names should begin with a unique identifier (for example, cf::map::find	385	Lock names should begin with a unique identifier (for example, cf::map::find
229	uses map_find and cf::map::load uses map_load).	386	uses map_find and cf::map::load uses map_load).
230		387
231	=cut	388	=item $locked = cf::lock_active $string
232		389
233	our %LOCK;	390	Return true if the lock is currently active, i.e. somebody has locked it.
		391
		392	=cut
		393
		394	our $LOCKS = new Coro::SemaphoreSet;
234		395
235	sub lock_wait($) {	396	sub lock_wait($) {
236	my ($key) = @_;	397	$LOCKS->wait ($_[0]);
237
238	# wait for lock, if any
239	while ($LOCK{$key}) {
240	push @{ $LOCK{$key} }, $Coro::current;
241	Coro::schedule;
242	}
243	}	398	}
244		399
245	sub lock_acquire($) {	400	sub lock_acquire($) {
246	my ($key) = @_;	401	$LOCKS->guard ($_[0])
		402	}
247		403
248	# wait, to be sure we are not locked	404	sub lock_active($) {
249	lock_wait $key;	405	$LOCKS->count ($_[0]) < 1
250
251	$LOCK{$key} = [];
252
253	Coro::guard {
254	# wake up all waiters, to be on the safe side
255	$_->ready for @{ delete $LOCK{$key} };
256	}
257	}	406	}
258		407
259	sub freeze_mainloop {	408	sub freeze_mainloop {
260	return unless $TICK_WATCHER->is_active;	409	tick_inhibit_inc;
261		410
262	my $guard = Coro::guard { $TICK_WATCHER->start };	411	&Guard::guard (\&tick_inhibit_dec);
263	$TICK_WATCHER->stop;	412	}
264	$guard	413
		414	=item cf::periodic $interval, $cb
		415
		416	Like EV::periodic, but randomly selects a starting point so that the actions
		417	get spread over time.
		418
		419	=cut
		420
		421	sub periodic($$) {
		422	my ($interval, $cb) = @_;
		423
		424	my $start = rand List::Util::min 180, $interval;
		425
		426	EV::periodic $start, $interval, 0, $cb
		427	}
		428
		429	=item cf::get_slot $time[, $priority[, $name]]
		430
		431	Allocate $time seconds of blocking CPU time at priority C<$priority>:
		432	This call blocks and returns only when you have at least C<$time> seconds
		433	of cpu time till the next tick. The slot is only valid till the next cede.
		434
		435	The optional C<$name> can be used to identify the job to run. It might be
		436	used for statistical purposes and should identify the same time-class.
		437
		438	Useful for short background jobs.
		439
		440	=cut
		441
		442	our @SLOT_QUEUE;
		443	our $SLOT_QUEUE;
		444	our $SLOT_DECAY = 0.9;
		445
		446	$SLOT_QUEUE->cancel if $SLOT_QUEUE;
		447	$SLOT_QUEUE = Coro::async {
		448	$Coro::current->desc ("timeslot manager");
		449
		450	my $signal = new Coro::Signal;
		451	my $busy;
		452
		453	while () {
		454	next_job:
		455
		456	my $avail = cf::till_tick;
		457
		458	for (0 .. $#SLOT_QUEUE) {
		459	if ($SLOT_QUEUE[$_][0] <= $avail) {
		460	$busy = 0;
		461	my $job = splice @SLOT_QUEUE, $_, 1, ();
		462	$job->[2]->send;
		463	Coro::cede;
		464	goto next_job;
		465	} else {
		466	$SLOT_QUEUE[$_][0] *= $SLOT_DECAY;
		467	}
		468	}
		469
		470	if (@SLOT_QUEUE) {
		471	# we do not use wait_for_tick() as it returns immediately when tick is inactive
		472	push @cf::WAIT_FOR_TICK, $signal;
		473	$signal->wait;
		474	} else {
		475	$busy = 0;
		476	Coro::schedule;
		477	}
		478	}
		479	};
		480
		481	sub get_slot($;$$) {
		482	return if tick_inhibit || $Coro::current == $Coro::main;
		483
		484	my ($time, $pri, $name) = @_;
		485
		486	$time = clamp $time, 0.01, $TICK * .6;
		487
		488	my $sig = new Coro::Signal;
		489
		490	push @SLOT_QUEUE, [$time, $pri, $sig, $name];
		491	@SLOT_QUEUE = sort { $b->[1] <=> $a->[1] } @SLOT_QUEUE;
		492	$SLOT_QUEUE->ready;
		493	$sig->wait;
265	}	494	}
266		495
267	=item cf::async { BLOCK }	496	=item cf::async { BLOCK }
268		497
269	Currently the same as Coro::async_pool, meaning you cannot use	498	Currently the same as Coro::async_pool, meaning you cannot use
…		…
274		503
275	BEGIN { *async = \&Coro::async_pool }	504	BEGIN { *async = \&Coro::async_pool }
276		505
277	=item cf::sync_job { BLOCK }	506	=item cf::sync_job { BLOCK }
278		507
279	The design of crossfire+ requires that the main coro ($Coro::main) is	508	The design of Deliantra requires that the main coroutine ($Coro::main)
280	always able to handle events or runnable, as crossfire+ is only partly	509	is always able to handle events or runnable, as Deliantra is only
281	reentrant. Thus "blocking" it by e.g. waiting for I/O is not acceptable.	510	partly reentrant. Thus "blocking" it by e.g. waiting for I/O is not
		511	acceptable.
282		512
283	If it must be done, put the blocking parts into C<sync_job>. This will run	513	If it must be done, put the blocking parts into C<sync_job>. This will run
284	the given BLOCK in another coroutine while waiting for the result. The	514	the given BLOCK in another coroutine while waiting for the result. The
285	server will be frozen during this time, so the block should either finish	515	server will be frozen during this time, so the block should either finish
286	fast or be very important.	516	fast or be very important.
…		…
288	=cut	518	=cut
289		519
290	sub sync_job(&) {	520	sub sync_job(&) {
291	my ($job) = @_;	521	my ($job) = @_;
292		522
293	if ($Coro::current == $Coro::main) {	523	if (in_main) {
		524	my $time = AE::time;
		525
294	# this is the main coro, too bad, we have to block	526	# this is the main coro, too bad, we have to block
295	# till the operation succeeds, freezing the server :/	527	# till the operation succeeds, freezing the server :/
296		528
297	# TODO: use suspend/resume instead	529	#LOG llevError, Carp::longmess "sync job";#d#
298	# (but this is cancel-safe)	530
299	my $freeze_guard = freeze_mainloop;	531	my $freeze_guard = freeze_mainloop;
300		532
301	my $busy = 1;	533	my $busy = 1;
302	my @res;	534	my @res;
303		535
304	(async {	536	(async {
		537	$Coro::current->desc ("sync job coro");
305	@res = eval { $job->() };	538	@res = eval { $job->() };
306	warn $@ if $@;	539	error $@ if $@;
307	undef $busy;	540	undef $busy;
308	})->prio (Coro::PRIO_MAX);	541	})->prio (Coro::PRIO_MAX);
309		542
310	while ($busy) {	543	while ($busy) {
311	Coro::cede or Event::one_event;	544	if (Coro::nready) {
		545	Coro::cede_notself;
		546	} else {
		547	EV::loop EV::LOOP_ONESHOT;
312	}	548	}
		549	}
		550
		551	my $time = AE::time - $time;
		552
		553	$TICK_START += $time; # do not account sync jobs to server load
313		554
314	wantarray ? @res : $res[0]	555	wantarray ? @res : $res[0]
315	} else {	556	} else {
316	# we are in another coroutine, how wonderful, everything just works	557	# we are in another coroutine, how wonderful, everything just works
317		558
…		…
337	$EXT_CORO{$coro+0} = $coro;	578	$EXT_CORO{$coro+0} = $coro;
338		579
339	$coro	580	$coro
340	}	581	}
341		582
342	sub write_runtime {	583	=item fork_call { }, $args
343	return unless $TICK_WATCHER->is_active;
344		584
345	my $runtime = cf::localdir . "/runtime";	585	Executes the given code block with the given arguments in a seperate
		586	process, returning the results. Everything must be serialisable with
		587	Coro::Storable. May, of course, block. Note that the executed sub may
		588	never block itself or use any form of event handling.
346		589
347	my $fh = aio_open "$runtime~", O_WRONLY | O_CREAT, 0644	590	=cut
348	or return;
349		591
350	my $value = $cf::RUNTIME + 1 + 10; # 10 is the runtime save interval, for a monotonic clock	592	sub fork_call(&@) {
351	(aio_write $fh, 0, (length $value), $value, 0) <= 0	593	my ($cb, @args) = @_;
352	and return;
353		594
354	aio_fsync $fh	595	# we seemingly have to make a local copy of the whole thing,
355	and return;	596	# otherwise perl prematurely frees the stuff :/
		597	# TODO: investigate and fix (likely this will be rather laborious)
356		598
357	close $fh	599	my @res = Coro::Util::fork_eval {
358	or return;	600	reset_signals;
		601	&$cb
		602	}, @args;
359		603
360	aio_rename "$runtime~", $runtime	604	wantarray ? @res : $res[-1]
361	and return;	605	}
362		606
		607	sub objinfo {
363	1	608	(
		609	"counter value" => cf::object::object_count,
		610	"objects created" => cf::object::create_count,
		611	"objects destroyed" => cf::object::destroy_count,
		612	"freelist size" => cf::object::free_count,
		613	"allocated objects" => cf::object::objects_size,
		614	"active objects" => cf::object::actives_size,
		615	)
		616	}
		617
		618	=item $coin = coin_from_name $name
		619
		620	=cut
		621
		622	our %coin_alias = (
		623	"silver" => "silvercoin",
		624	"silvercoin" => "silvercoin",
		625	"silvercoins" => "silvercoin",
		626	"gold" => "goldcoin",
		627	"goldcoin" => "goldcoin",
		628	"goldcoins" => "goldcoin",
		629	"platinum" => "platinacoin",
		630	"platinumcoin" => "platinacoin",
		631	"platinumcoins" => "platinacoin",
		632	"platina" => "platinacoin",
		633	"platinacoin" => "platinacoin",
		634	"platinacoins" => "platinacoin",
		635	"royalty" => "royalty",
		636	"royalties" => "royalty",
		637	);
		638
		639	sub coin_from_name($) {
		640	$coin_alias{$_[0]}
		641	? cf::arch::find $coin_alias{$_[0]}
		642	: undef
		643	}
		644
		645	=item $value = cf::db_get $family => $key
		646
		647	Returns a single value from the environment database.
		648
		649	=item cf::db_put $family => $key => $value
		650
		651	Stores the given C<$value> in the family. It can currently store binary
		652	data only (use Compress::LZF::sfreeze_cr/sthaw to convert to/from binary).
		653
		654	=item $db = cf::db_table "name"
		655
		656	Create and/or open a new database table. The string must not be "db" and must be unique
		657	within each server.
		658
		659	=cut
		660
		661	sub db_table($) {
		662	cf::error "db_get called from main context"
		663	if $Coro::current == $Coro::main;
		664
		665	my ($name) = @_;
		666	my $db = BDB::db_create $DB_ENV;
		667
		668	eval {
		669	$db->set_flags (BDB::CHKSUM);
		670
		671	utf8::encode $name;
		672	BDB::db_open $db, undef, $name, undef, BDB::BTREE,
		673	BDB::CREATE | BDB::AUTO_COMMIT, 0666;
		674	cf::cleanup "db_open(db): $!" if $!;
		675	};
		676	cf::cleanup "db_open(db): $@" if $@;
		677
		678	$db
		679	}
		680
		681	our $DB;
		682
		683	sub db_init {
		684	$DB ||= db_table "db";
		685	}
		686
		687	sub db_get($$) {
		688	my $key = "$_[0]/$_[1]";
		689
		690	cf::error "db_get called from main context"
		691	if $Coro::current == $Coro::main;
		692
		693	BDB::db_get $DB, undef, $key, my $data;
		694
		695	$! ? ()
		696	: $data
		697	}
		698
		699	sub db_put($$$) {
		700	BDB::dbreq_pri 4;
		701	BDB::db_put $DB, undef, "$_[0]/$_[1]", $_[2], 0, sub { };
		702	}
		703
		704	=item cf::cache $id => [$paths...], $processversion => $process
		705
		706	Generic caching function that returns the value of the resource $id,
		707	caching and regenerating as required.
		708
		709	This function can block.
		710
		711	=cut
		712
		713	sub cache {
		714	my ($id, $src, $processversion, $process) = @_;
		715
		716	my $meta =
		717	join "\x00",
		718	$processversion,
		719	map {
		720	aio_stat $_
		721	and Carp::croak "$_: $!";
		722
		723	($_, (stat _)[7,9])
		724	} @$src;
		725
		726	my $dbmeta = db_get cache => "$id/meta";
		727	if ($dbmeta ne $meta) {
		728	# changed, we may need to process
		729
		730	my @data;
		731	my $md5;
		732
		733	for (0 .. $#$src) {
		734	0 <= aio_load $src->[$_], $data[$_]
		735	or Carp::croak "$src->[$_]: $!";
		736	}
		737
		738	# if processing is expensive, check
		739	# checksum first
		740	if (1) {
		741	$md5 =
		742	join "\x00",
		743	$processversion,
		744	map {
		745	cf::cede_to_tick;
		746	($src->[$_], Digest::MD5::md5_hex $data[$_])
		747	} 0.. $#$src;
		748
		749
		750	my $dbmd5 = db_get cache => "$id/md5";
		751	if ($dbmd5 eq $md5) {
		752	db_put cache => "$id/meta", $meta;
		753
		754	return db_get cache => "$id/data";
		755	}
		756	}
		757
		758	my $t1 = Time::HiRes::time;
		759	my $data = $process->(\@data);
		760	my $t2 = Time::HiRes::time;
		761
		762	info "cache: '$id' processed in ", $t2 - $t1, "s\n";
		763
		764	db_put cache => "$id/data", $data;
		765	db_put cache => "$id/md5" , $md5;
		766	db_put cache => "$id/meta", $meta;
		767
		768	return $data;
		769	}
		770
		771	db_get cache => "$id/data"
		772	}
		773
		774	=item cf::datalog type => key => value, ...
		775
		776	Log a datalog packet of the given type with the given key-value pairs.
		777
		778	=cut
		779
		780	sub datalog($@) {
		781	my ($type, %kv) = @_;
		782	info "DATALOG ", JSON::XS->new->ascii->encode ({ %kv, type => $type });
364	}	783	}
365		784
366	=back	785	=back
367		786
368	=cut	787	=cut
369		788
370	#############################################################################	789	#############################################################################
371		790
372	=head2 ATTACHABLE OBJECTS	791	=head2 ATTACHABLE OBJECTS
373		792
374	Many objects in crossfire are so-called attachable objects. That means you can	793	Many objects in deliantra are so-called attachable objects. That means you can
375	attach callbacks/event handlers (a collection of which is called an "attachment")	794	attach callbacks/event handlers (a collection of which is called an "attachment")
376	to it. All such attachable objects support the following methods.	795	to it. All such attachable objects support the following methods.
377		796
378	In the following description, CLASS can be any of C<global>, C<object>	797	In the following description, CLASS can be any of C<global>, C<object>
379	C<player>, C<client> or C<map> (i.e. the attachable objects in	798	C<player>, C<client> or C<map> (i.e. the attachable objects in
380	crossfire+).	799	Deliantra).
381		800
382	=over 4	801	=over 4
383		802
384	=item $attachable->attach ($attachment, key => $value...)	803	=item $attachable->attach ($attachment, key => $value...)
385		804
…		…
429	=item cf::CLASS::attachment $name, ...	848	=item cf::CLASS::attachment $name, ...
430		849
431	Register an attachment by C<$name> through which attachable objects of the	850	Register an attachment by C<$name> through which attachable objects of the
432	given CLASS can refer to this attachment.	851	given CLASS can refer to this attachment.
433		852
434	Some classes such as crossfire maps and objects can specify attachments	853	Some classes such as deliantra maps and objects can specify attachments
435	that are attached at load/instantiate time, thus the need for a name.	854	that are attached at load/instantiate time, thus the need for a name.
436		855
437	These calls expect any number of the following handler/hook descriptions:	856	These calls expect any number of the following handler/hook descriptions:
438		857
439	=over 4	858	=over 4
…		…
499	our @CB_TYPE = (); # registry for type (cf-object class) based events	918	our @CB_TYPE = (); # registry for type (cf-object class) based events
500	our @CB_MAP = ();	919	our @CB_MAP = ();
501		920
502	my %attachment;	921	my %attachment;
503		922
		923	sub cf::attachable::thawer_merge {
		924	# simply override everything except _meta
		925	local $_[0]{_meta};
		926	%{$_[0]} = %{$_[1]};
		927	}
		928
504	sub _attach_cb($$$$) {	929	sub _attach_cb($$$$) {
505	my ($registry, $event, $prio, $cb) = @_;	930	my ($registry, $event, $prio, $cb) = @_;
506		931
507	use sort 'stable';	932	use sort 'stable';
508		933
…		…
542	$registry = $CB_TYPE[$object_type] ||= [];	967	$registry = $CB_TYPE[$object_type] ||= [];
543		968
544	} elsif ($type eq "subtype") {	969	} elsif ($type eq "subtype") {
545	defined $object_type or Carp::croak "subtype specified without type";	970	defined $object_type or Carp::croak "subtype specified without type";
546	my $object_subtype = shift @arg;	971	my $object_subtype = shift @arg;
547	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_SUBTYPES] ||= [];	972	$registry = $CB_TYPE[$object_type + $object_subtype * NUM_TYPES] ||= [];
548		973
549	} elsif ($type eq "package") {	974	} elsif ($type eq "package") {
550	my $pkg = shift @arg;	975	my $pkg = shift @arg;
551		976
552	while (my ($name, $id) = each %cb_id) {	977	while (my ($name, $id) = each %cb_id) {
…		…
557		982
558	} elsif (exists $cb_id{$type}) {	983	} elsif (exists $cb_id{$type}) {
559	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;	984	_attach_cb $registry, $cb_id{$type}, $prio, shift @arg;
560		985
561	} elsif (ref $type) {	986	} elsif (ref $type) {
562	warn "attaching objects not supported, ignoring.\n";	987	error "attaching objects not supported, ignoring.\n";
563		988
564	} else {	989	} else {
565	shift @arg;	990	shift @arg;
566	warn "attach argument '$type' not supported, ignoring.\n";	991	error "attach argument '$type' not supported, ignoring.\n";
567	}	992	}
568	}	993	}
569	}	994	}
570		995
571	sub _object_attach {	996	sub _object_attach {
…		…
581	_attach $registry, $klass, @attach;	1006	_attach $registry, $klass, @attach;
582	}	1007	}
583		1008
584	$obj->{$name} = \%arg;	1009	$obj->{$name} = \%arg;
585	} else {	1010	} else {
586	warn "object uses attachment '$name' that is not available, postponing.\n";	1011	info "object uses attachment '$name' which is not available, postponing.\n";
587	}	1012	}
588		1013
589	$obj->{_attachment}{$name} = undef;	1014	$obj->{_attachment}{$name} = undef;
590	}	1015	}
591		1016
…		…
593	if (ref $_[0]) {	1018	if (ref $_[0]) {
594	_object_attach @_;	1019	_object_attach @_;
595	} else {	1020	} else {
596	_attach shift->_attach_registry, @_;	1021	_attach shift->_attach_registry, @_;
597	}	1022	}
		1023	_recalc_want;
598	};	1024	};
599		1025
600	# all those should be optimised	1026	# all those should be optimised
601	sub cf::attachable::detach {	1027	sub cf::attachable::detach {
602	my ($obj, $name) = @_;	1028	my ($obj, $name) = @_;
…		…
605	delete $obj->{_attachment}{$name};	1031	delete $obj->{_attachment}{$name};
606	reattach ($obj);	1032	reattach ($obj);
607	} else {	1033	} else {
608	Carp::croak "cannot, currently, detach class attachments";	1034	Carp::croak "cannot, currently, detach class attachments";
609	}	1035	}
		1036	_recalc_want;
610	};	1037	};
611		1038
612	sub cf::attachable::attached {	1039	sub cf::attachable::attached {
613	my ($obj, $name) = @_;	1040	my ($obj, $name) = @_;
614		1041
…		…
629	";	1056	";
630	die if $@;	1057	die if $@;
631	}	1058	}
632		1059
633	our $override;	1060	our $override;
634	our @invoke_results = (); # referenced from .xs code. TODO: play tricks with reify and mortals?	1061	our @INVOKE_RESULTS = (); # referenced from .xs code. TODO: play tricks with reify and mortals?
635		1062
636	sub override {	1063	sub override {
637	$override = 1;	1064	$override = 1;
638	@invoke_results = ();	1065	@INVOKE_RESULTS = (@_);
639	}	1066	}
640		1067
641	sub do_invoke {	1068	sub do_invoke {
642	my $event = shift;	1069	my $event = shift;
643	my $callbacks = shift;	1070	my $callbacks = shift;
644		1071
645	@invoke_results = ();	1072	@INVOKE_RESULTS = ();
646		1073
647	local $override;	1074	local $override;
648		1075
649	for (@$callbacks) {	1076	for (@$callbacks) {
650	eval { &{$_->[1]} };	1077	eval { &{$_->[1]} };
651		1078
652	if ($@) {	1079	if ($@) {
653	warn "$@";
654	warn "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";	1080	error "$@", "... while processing $EVENT[$event][0](@_) event, skipping processing altogether.\n";
655	override;	1081	override;
656	}	1082	}
657		1083
658	return 1 if $override;	1084	return 1 if $override;
659	}	1085	}
660		1086
661	0	1087	0
662	}	1088	}
663		1089
664	=item $bool = cf::global::invoke (EVENT_CLASS_XXX, ...)	1090	=item $bool = cf::global->invoke (EVENT_CLASS_XXX, ...)
665		1091
666	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)	1092	=item $bool = $attachable->invoke (EVENT_CLASS_XXX, ...)
667		1093
668	Generate an object-specific event with the given arguments.	1094	Generate an object-specific event with the given arguments.
669		1095
670	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be	1096	This API is preliminary (most likely, the EVENT_CLASS_xxx prefix will be
671	removed in future versions), and there is no public API to access override	1097	removed in future versions), and there is no public API to access override
672	results (if you must, access C<@cf::invoke_results> directly).	1098	results (if you must, access C<@cf::INVOKE_RESULTS> directly).
673		1099
674	=back	1100	=back
675		1101
676	=cut	1102	=cut
677		1103
678	#############################################################################	1104	#############################################################################
679	# object support	1105	# object support
		1106
		1107	sub _object_equal($$);
		1108	sub _object_equal($$) {
		1109	my ($a, $b) = @_;
		1110
		1111	return 0 unless (ref $a) eq (ref $b);
		1112
		1113	if ("HASH" eq ref $a) {
		1114	my @ka = keys %$a;
		1115	my @kb = keys %$b;
		1116
		1117	return 0 if @ka != @kb;
		1118
		1119	for (0 .. $#ka) {
		1120	return 0 unless $ka[$_] eq $kb[$_];
		1121	return 0 unless _object_equal $a->{$ka[$_]}, $b->{$kb[$_]};
		1122	}
		1123
		1124	} elsif ("ARRAY" eq ref $a) {
		1125
		1126	return 0 if @$a != @$b;
		1127
		1128	for (0 .. $#$a) {
		1129	return 0 unless _object_equal $a->[$_], $b->[$_];
		1130	}
		1131
		1132	} elsif ($a ne $b) {
		1133	return 0;
		1134	}
		1135
		1136	1
		1137	}
		1138
		1139	our $SLOW_MERGES;#d#
		1140	sub _can_merge {
		1141	my ($ob1, $ob2) = @_;
		1142
		1143	++$SLOW_MERGES;#d#
		1144
		1145	# we do the slow way here
		1146	return _object_equal $ob1, $ob2
		1147	}
680		1148
681	sub reattach {	1149	sub reattach {
682	# basically do the same as instantiate, without calling instantiate	1150	# basically do the same as instantiate, without calling instantiate
683	my ($obj) = @_;	1151	my ($obj) = @_;
		1152
		1153	# no longer needed after getting rid of delete_package?
		1154	#bless $obj, ref $obj; # re-bless in case extensions have been reloaded
684		1155
685	my $registry = $obj->registry;	1156	my $registry = $obj->registry;
686		1157
687	@$registry = ();	1158	@$registry = ();
688		1159
…		…
693	for (@$attach) {	1164	for (@$attach) {
694	my ($klass, @attach) = @$_;	1165	my ($klass, @attach) = @$_;
695	_attach $registry, $klass, @attach;	1166	_attach $registry, $klass, @attach;
696	}	1167	}
697	} else {	1168	} else {
698	warn "object uses attachment '$name' that is not available, postponing.\n";	1169	info "object uses attachment '$name' that is not available, postponing.\n";
699	}	1170	}
700	}	1171	}
701	}	1172	}
702		1173
703	cf::attachable->attach (	1174	cf::attachable->attach (
704	prio => -1000000,	1175	prio => -1000000,
705	on_instantiate => sub {	1176	on_instantiate => sub {
706	my ($obj, $data) = @_;	1177	my ($obj, $data) = @_;
707		1178
708	$data = from_json $data;	1179	$data = decode_json $data;
709		1180
710	for (@$data) {	1181	for (@$data) {
711	my ($name, $args) = @$_;	1182	my ($name, $args) = @$_;
712		1183
713	$obj->attach ($name, %{$args || {} });	1184	$obj->attach ($name, %{$args || {} });
…		…
729	sub object_freezer_save {	1200	sub object_freezer_save {
730	my ($filename, $rdata, $objs) = @_;	1201	my ($filename, $rdata, $objs) = @_;
731		1202
732	sync_job {	1203	sync_job {
733	if (length $$rdata) {	1204	if (length $$rdata) {
		1205	utf8::decode (my $decname = $filename);
734	warn sprintf "saving %s (%d,%d)\n",	1206	trace sprintf "saving %s (%d,%d)\n",
735	$filename, length $$rdata, scalar @$objs;	1207	$decname, length $$rdata, scalar @$objs
		1208	if $VERBOSE_IO;
736		1209
737	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {	1210	if (my $fh = aio_open "$filename~", O_WRONLY | O_CREAT, 0600) {
738	chmod SAVE_MODE, $fh;	1211	aio_chmod $fh, SAVE_MODE;
739	aio_write $fh, 0, (length $$rdata), $$rdata, 0;	1212	aio_write $fh, 0, (length $$rdata), $$rdata, 0;
		1213	if ($cf::USE_FSYNC) {
		1214	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
740	aio_fsync $fh;	1215	aio_fsync $fh;
		1216	}
741	close $fh;	1217	aio_close $fh;
742		1218
743	if (@$objs) {	1219	if (@$objs) {
744	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {	1220	if (my $fh = aio_open "$filename.pst~", O_WRONLY | O_CREAT, 0600) {
745	chmod SAVE_MODE, $fh;	1221	aio_chmod $fh, SAVE_MODE;
746	my $data = Storable::nfreeze { version => 1, objs => $objs };	1222	my $data = Coro::Storable::nfreeze { version => 1, objs => $objs };
747	aio_write $fh, 0, (length $data), $data, 0;	1223	aio_write $fh, 0, (length $data), $data, 0;
		1224	if ($cf::USE_FSYNC) {
		1225	aio_sync_file_range $fh, 0, 0, IO::AIO::SYNC_FILE_RANGE_WAIT_BEFORE | IO::AIO::SYNC_FILE_RANGE_WRITE | IO::AIO::SYNC_FILE_RANGE_WAIT_AFTER;
748	aio_fsync $fh;	1226	aio_fsync $fh;
		1227	}
749	close $fh;	1228	aio_close $fh;
750	aio_rename "$filename.pst~", "$filename.pst";	1229	aio_rename "$filename.pst~", "$filename.pst";
751	}	1230	}
752	} else {	1231	} else {
753	aio_unlink "$filename.pst";	1232	aio_unlink "$filename.pst";
754	}	1233	}
755		1234
756	aio_rename "$filename~", $filename;	1235	aio_rename "$filename~", $filename;
		1236
		1237	$filename =~ s%/[^/]+$%%;
		1238	aio_pathsync $filename if $cf::USE_FSYNC;
757	} else {	1239	} else {
758	warn "FATAL: $filename~: $!\n";	1240	error "unable to save objects: $filename~: $!\n";
759	}	1241	}
760	} else {	1242	} else {
761	aio_unlink $filename;	1243	aio_unlink $filename;
762	aio_unlink "$filename.pst";	1244	aio_unlink "$filename.pst";
763	}	1245	}
764	}	1246	};
765	}	1247	}
766		1248
767	sub object_freezer_as_string {	1249	sub object_freezer_as_string {
768	my ($rdata, $objs) = @_;	1250	my ($rdata, $objs) = @_;
769		1251
…		…
781	or return;	1263	or return;
782		1264
783	unless (aio_stat "$filename.pst") {	1265	unless (aio_stat "$filename.pst") {
784	(aio_load "$filename.pst", $av) >= 0	1266	(aio_load "$filename.pst", $av) >= 0
785	or return;	1267	or return;
		1268
786	$av = eval { (Storable::thaw $av)->{objs} };	1269	my $st = eval { Coro::Storable::thaw $av };
		1270	$av = $st->{objs};
787	}	1271	}
788		1272
		1273	utf8::decode (my $decname = $filename);
789	warn sprintf "loading %s (%d)\n",	1274	trace sprintf "loading %s (%d,%d)\n",
790	$filename, length $data, scalar @{$av || []};#d#	1275	$decname, length $data, scalar @{$av || []}
		1276	if $VERBOSE_IO;
		1277
791	return ($data, $av);	1278	($data, $av)
792	}	1279	}
		1280
		1281	=head2 COMMAND CALLBACKS
		1282
		1283	=over 4
		1284
		1285	=cut
793		1286
794	#############################################################################	1287	#############################################################################
795	# command handling &c	1288	# command handling &c
796		1289
797	=item cf::register_command $name => \&callback($ob,$args);	1290	=item cf::register_command $name => \&callback($ob,$args);
…		…
810	push @{ $COMMAND{$name} }, [$caller, $cb];	1303	push @{ $COMMAND{$name} }, [$caller, $cb];
811	}	1304	}
812		1305
813	=item cf::register_extcmd $name => \&callback($pl,$packet);	1306	=item cf::register_extcmd $name => \&callback($pl,$packet);
814		1307
815	Register a callbackf ro execution when the client sends an extcmd packet.	1308	Register a callback for execution when the client sends an (synchronous)
		1309	extcmd packet. Ext commands will be processed in the order they are
		1310	received by the server, like other user commands. The first argument is
		1311	the logged-in player. Ext commands can only be processed after a player
		1312	has logged in successfully.
816		1313
817	If the callback returns something, it is sent back as if reply was being	1314	If the callback returns something, it is sent back as if reply was being
818	called.	1315	called.
819		1316
		1317	=item cf::register_exticmd $name => \&callback($ns,$packet);
		1318
		1319	Register a callback for execution when the client sends an (asynchronous)
		1320	exticmd packet. Exti commands are processed by the server as soon as they
		1321	are received, i.e. out of order w.r.t. other commands. The first argument
		1322	is a client socket. Exti commands can be received anytime, even before
		1323	log-in.
		1324
		1325	If the callback returns something, it is sent back as if reply was being
		1326	called.
		1327
820	=cut	1328	=cut
821		1329
822	sub register_extcmd {	1330	sub register_extcmd {
823	my ($name, $cb) = @_;	1331	my ($name, $cb) = @_;
824		1332
825	$EXTCMD{$name} = $cb;	1333	$EXTCMD{$name} = $cb;
826	}	1334	}
827		1335
		1336	sub register_exticmd {
		1337	my ($name, $cb) = @_;
		1338
		1339	$EXTICMD{$name} = $cb;
		1340	}
		1341
		1342	use File::Glob ();
		1343
828	cf::player->attach (	1344	cf::player->attach (
829	on_command => sub {	1345	on_unknown_command => sub {
830	my ($pl, $name, $params) = @_;	1346	my ($pl, $name, $params) = @_;
831		1347
832	my $cb = $COMMAND{$name}	1348	my $cb = $COMMAND{$name}
833	or return;	1349	or return;
834		1350
…		…
839	cf::override;	1355	cf::override;
840	},	1356	},
841	on_extcmd => sub {	1357	on_extcmd => sub {
842	my ($pl, $buf) = @_;	1358	my ($pl, $buf) = @_;
843		1359
844	my $msg = eval { from_json $buf };	1360	my $msg = eval { $pl->ns->{json_coder}->decode ($buf) };
845		1361
846	if (ref $msg) {	1362	if (ref $msg) {
		1363	my ($type, $reply, @payload) =
		1364	"ARRAY" eq ref $msg
		1365	? @$msg
		1366	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		1367
		1368	my @reply;
		1369
847	if (my $cb = $EXTCMD{$msg->{msgtype}}) {	1370	if (my $cb = $EXTCMD{$type}) {
848	if (my %reply = $cb->($pl, $msg)) {	1371	@reply = $cb->($pl, @payload);
849	$pl->ext_reply ($msg->{msgid}, %reply);
850	}
851	}	1372	}
		1373
		1374	$pl->ext_reply ($reply, @reply)
		1375	if $reply;
		1376
852	} else {	1377	} else {
853	warn "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";	1378	error "player " . ($pl->ob->name) . " sent unparseable ext message: <$buf>\n";
854	}	1379	}
855		1380
856	cf::override;	1381	cf::override;
857	},	1382	},
858	);	1383	);
859		1384
		1385	# "readahead" all extensions
860	sub load_extension {	1386	sub cache_extensions {
861	my ($path) = @_;	1387	my $grp = IO::AIO::aio_group;
862		1388
863	$path =~ /([^\/\\]+)\.ext$/ or die "$path";	1389	add $grp IO::AIO::aio_readdirx $LIBDIR, IO::AIO::READDIR_STAT_ORDER, sub {
864	my $base = $1;	1390	for (grep /\.ext$/, @{$_[0]}) {
865	my $pkg = $1;	1391	add $grp IO::AIO::aio_load "$LIBDIR/$_", my $data;
866	$pkg =~ s/[^[:word:]]/_/g;
867	$pkg = "ext::$pkg";
868
869	warn "... loading '$path' into '$pkg'\n";
870
871	open my $fh, "<:utf8", $path
872	or die "$path: $!";
873
874	my $source =
875	"package $pkg; use strict; use utf8;\n"
876	. "#line 1 \"$path\"\n{\n"
877	. (do { local $/; <$fh> })
878	. "\n};\n1";
879
880	unless (eval $source) {
881	my $msg = $@ ? "$path: $@\n"
882	: "extension disabled.\n";
883	if ($source =~ /^#!.*perl.*#.*MANDATORY/m) { # ugly match
884	warn $@;
885	warn "mandatory extension failed to load, exiting.\n";
886	exit 1;
887	}	1392	}
888	die $@;
889	}	1393	};
890		1394
891	push @EXTS, $pkg;	1395	$grp
892	}	1396	}
893		1397
894	sub load_extensions {	1398	sub load_extensions {
		1399	info "loading extensions...";
		1400
		1401	cf::sync_job {
		1402	my %todo;
		1403
895	for my $ext (<$LIBDIR/*.ext>) {	1404	for my $path (<$LIBDIR/*.ext>) {
896	next unless -r $ext;	1405	next unless -r $path;
897	eval {	1406
898	load_extension $ext;	1407	$path =~ /([^\/\\]+)\.ext$/ or die "$path";
		1408	my $base = $1;
		1409	my $pkg = $1;
		1410	$pkg =~ s/[^[:word:]]/_/g;
		1411	$pkg = "ext::$pkg";
		1412
		1413	open my $fh, "<:utf8", $path
		1414	or die "$path: $!";
		1415
		1416	my $source = do { local $/; <$fh> };
		1417
		1418	my %ext = (
		1419	path => $path,
		1420	base => $base,
		1421	pkg => $pkg,
		1422	);
		1423
		1424	$ext{meta} = { map { (split /=/, $_, 2)[0, 1] } split /\s+/, $1 }
		1425	if $source =~ /\A#!.*?perl.*?#\s*(.*)$/m;
		1426
		1427	$ext{source} =
		1428	"package $pkg; use 5.10.0; use strict 'vars', 'subs'; use utf8;\n"
		1429	. "#line 1 \"$path\"\n{\n"
		1430	. $source
		1431	. "\n};\n1";
		1432
		1433	$todo{$base} = \%ext;
		1434	}
		1435
		1436	my $pass = 0;
		1437	my %done;
		1438	while (%todo) {
		1439	my $progress;
		1440
		1441	++$pass;
		1442
		1443	ext:
		1444	while (my ($k, $v) = each %todo) {
		1445	for (split /,\s*/, $v->{meta}{depends}) {
		1446	next ext
		1447	unless exists $done{$_};
		1448	}
		1449
		1450	trace "... pass $pass, loading '$k' into '$v->{pkg}'\n";
		1451
		1452	my $active = eval $v->{source};
		1453
		1454	if (length $@) {
		1455	error "$v->{path}: $@\n";
		1456
		1457	cf::cleanup "mandatory extension '$k' failed to load, exiting."
		1458	if exists $v->{meta}{mandatory};
		1459
		1460	warn "$v->{base}: optional extension cannot be loaded, skipping.\n";
		1461	delete $todo{$k};
		1462	} else {
		1463	$done{$k} = delete $todo{$k};
		1464	push @EXTS, $v->{pkg};
		1465	$progress = 1;
		1466
		1467	info "$v->{base}: extension inactive.\n"
		1468	unless $active;
		1469	}
899	1	1470	}
900	} or warn "$ext not loaded: $@";	1471
		1472	unless ($progress) {
		1473	warn "cannot load " . (join ", ", keys %todo) . ": unable to resolve dependencies\n";
		1474
		1475	while (my ($k, $v) = each %todo) {
		1476	cf::cleanup "mandatory extension '$k' has unresolved dependencies, exiting."
		1477	if exists $v->{meta}{mandatory};
		1478	}
		1479	}
		1480	}
901	}	1481	};
902	}	1482	}
903		1483
904	#############################################################################	1484	#############################################################################
905	# load/save/clean perl data associated with a map
906		1485
907	*cf::mapsupport::on_clean = sub {	1486	=back
908	my ($map) = @_;
909
910	my $path = $map->tmpname;
911	defined $path or return;
912
913	unlink "$path.pst";
914	};
915
916	cf::map->attach (prio => -10000, package => cf::mapsupport::);
917
918	#############################################################################
919		1487
920	=head2 CORE EXTENSIONS	1488	=head2 CORE EXTENSIONS
921		1489
922	Functions and methods that extend core crossfire objects.	1490	Functions and methods that extend core deliantra objects.
923		1491
924	=cut	1492	=cut
925		1493
926	package cf::player;	1494	package cf::player;
927		1495
…		…
929		1497
930	=head3 cf::player	1498	=head3 cf::player
931		1499
932	=over 4	1500	=over 4
933		1501
		1502	=item cf::player::num_playing
		1503
		1504	Returns the official number of playing players, as per the Crossfire metaserver rules.
		1505
		1506	=cut
		1507
		1508	sub num_playing {
		1509	scalar grep
		1510	$_->ob->map
		1511	&& !$_->hidden
		1512	&& !$_->ob->flag (cf::FLAG_WIZ),
		1513	cf::player::list
		1514	}
		1515
934	=item cf::player::find $login	1516	=item cf::player::find $login
935		1517
936	Returns the given player object, loading it if necessary (might block).	1518	Returns the given player object, loading it if necessary (might block).
937		1519
938	=cut	1520	=cut
939		1521
940	sub playerdir($) {	1522	sub playerdir($) {
941	cf::localdir	1523	"$PLAYERDIR/"
942	. "/"
943	. cf::playerdir
944	. "/"
945	. (ref $_[0] ? $_[0]->ob->name : $_[0])	1524	. (ref $_[0] ? $_[0]->ob->name : $_[0])
946	}	1525	}
947		1526
948	sub path($) {	1527	sub path($) {
949	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];	1528	my $login = ref $_[0] ? $_[0]->ob->name : $_[0];
950		1529
951	(playerdir $login) . "/$login.pl"	1530	(playerdir $login) . "/playerdata"
952	}	1531	}
953		1532
954	sub find_active($) {	1533	sub find_active($) {
955	$cf::PLAYER{$_[0]}	1534	$cf::PLAYER{$_[0]}
956	and $cf::PLAYER{$_[0]}->active	1535	and $cf::PLAYER{$_[0]}->active
…		…
959		1538
960	sub exists($) {	1539	sub exists($) {
961	my ($login) = @_;	1540	my ($login) = @_;
962		1541
963	$cf::PLAYER{$login}	1542	$cf::PLAYER{$login}
964	or cf::sync_job { !aio_stat $login }	1543	or !aio_stat path $login
965	}	1544	}
966		1545
967	sub find($) {	1546	sub find($) {
968	return $cf::PLAYER{$_[0]} || do {	1547	return $cf::PLAYER{$_[0]} || do {
969	my $login = $_[0];	1548	my $login = $_[0];
970		1549
971	my $guard = cf::lock_acquire "user_find:$login";	1550	my $guard = cf::lock_acquire "user_find:$login";
972		1551
973	$cf::PLAYER{$_[0]} || do {	1552	$cf::PLAYER{$_[0]} || do {
974	my $pl = load_pl path $login	1553	# rename old playerfiles to new ones
		1554	#TODO: remove when no longer required
		1555	aio_link +(playerdir $login) . "/$login.pl.pst", (playerdir $login) . "/playerdata.pst";
		1556	aio_link +(playerdir $login) . "/$login.pl" , (playerdir $login) . "/playerdata";
		1557	aio_unlink +(playerdir $login) . "/$login.pl.pst";
		1558	aio_unlink +(playerdir $login) . "/$login.pl";
		1559
		1560	my $f = new_from_file cf::object::thawer path $login
975	or return;	1561	or return;
		1562
		1563	my $pl = cf::player::load_pl $f
		1564	or return;
		1565
		1566	local $cf::PLAYER_LOADING{$login} = $pl;
		1567	$f->resolve_delayed_derefs;
976	$cf::PLAYER{$login} = $pl	1568	$cf::PLAYER{$login} = $pl
977	}	1569	}
978	}	1570	}
979	}	1571	}
		1572
		1573	cf::player->attach (
		1574	on_load => sub {
		1575	my ($pl, $path) = @_;
		1576
		1577	# restore slots saved in save, below
		1578	my $slots = delete $pl->{_slots};
		1579
		1580	$pl->ob->current_weapon ($slots->[0]);
		1581	$pl->combat_ob ($slots->[1]);
		1582	$pl->ranged_ob ($slots->[2]);
		1583	},
		1584	);
980		1585
981	sub save($) {	1586	sub save($) {
982	my ($pl) = @_;	1587	my ($pl) = @_;
983		1588
984	return if $pl->{deny_save};	1589	return if $pl->{deny_save};
…		…
989	return if $pl->{deny_save};	1594	return if $pl->{deny_save};
990		1595
991	aio_mkdir playerdir $pl, 0770;	1596	aio_mkdir playerdir $pl, 0770;
992	$pl->{last_save} = $cf::RUNTIME;	1597	$pl->{last_save} = $cf::RUNTIME;
993		1598
		1599	cf::get_slot 0.01;
		1600
		1601	# save slots, to be restored later
		1602	local $pl->{_slots} = [$pl->ob->current_weapon, $pl->combat_ob, $pl->ranged_ob];
		1603
994	$pl->save_pl ($path);	1604	$pl->save_pl ($path);
995	Coro::cede;	1605	cf::cede_to_tick;
996	}	1606	}
997		1607
998	sub new($) {	1608	sub new($) {
999	my ($login) = @_;	1609	my ($login) = @_;
1000		1610
…		…
1006	$cf::PLAYER{$login} = $self;	1616	$cf::PLAYER{$login} = $self;
1007		1617
1008	$self	1618	$self
1009	}	1619	}
1010		1620
		1621	=item $player->send_msg ($channel, $msg, $color, [extra...])
		1622
		1623	=cut
		1624
		1625	sub send_msg {
		1626	my $ns = shift->ns
		1627	or return;
		1628	$ns->send_msg (@_);
		1629	}
		1630
1011	=item $pl->quit_character	1631	=item $pl->quit_character
1012		1632
1013	Nukes the player without looking back. If logged in, the connection will	1633	Nukes the player without looking back. If logged in, the connection will
1014	be destroyed. May block for a long time.	1634	be destroyed. May block for a long time.
1015		1635
1016	=cut	1636	=cut
1017		1637
1018	sub quit_character {	1638	sub quit_character {
1019	my ($pl) = @_;	1639	my ($pl) = @_;
1020		1640
		1641	my $name = $pl->ob->name;
		1642
1021	$pl->{deny_save} = 1;	1643	$pl->{deny_save} = 1;
1022	$pl->password ("*"); # this should lock out the player until we nuked the dir	1644	$pl->password ("*"); # this should lock out the player until we have nuked the dir
1023		1645
1024	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;	1646	$pl->invoke (cf::EVENT_PLAYER_LOGOUT, 1) if $pl->active;
1025	$pl->deactivate;	1647	$pl->deactivate;
		1648	my $killer = cf::arch::get "killer_quit"; $pl->killer ($killer); $killer->destroy;
1026	$pl->invoke (cf::EVENT_PLAYER_QUIT);	1649	$pl->invoke (cf::EVENT_PLAYER_QUIT);
1027	$pl->ns->destroy if $pl->ns;	1650	$pl->ns->destroy if $pl->ns;
1028		1651
1029	my $path = playerdir $pl;	1652	my $path = playerdir $pl;
1030	my $temp = "$path~$cf::RUNTIME~deleting~";	1653	my $temp = "$path~$cf::RUNTIME~deleting~";
1031	aio_rename $path, $temp;	1654	aio_rename $path, $temp;
1032	delete $cf::PLAYER{$pl->ob->name};	1655	delete $cf::PLAYER{$pl->ob->name};
1033	$pl->destroy;	1656	$pl->destroy;
		1657
		1658	my $prefix = qr<^~\Q$name\E/>;
		1659
		1660	# nuke player maps
		1661	$cf::MAP{$_}->nuke for grep /$prefix/, keys %cf::MAP;
		1662
1034	IO::AIO::aio_rmtree $temp;	1663	IO::AIO::aio_rmtree $temp;
		1664	}
		1665
		1666	=item $pl->kick
		1667
		1668	Kicks a player out of the game. This destroys the connection.
		1669
		1670	=cut
		1671
		1672	sub kick {
		1673	my ($pl, $kicker) = @_;
		1674
		1675	$pl->invoke (cf::EVENT_PLAYER_KICK, $kicker);
		1676	$pl->killer ("kicked");
		1677	$pl->ns->destroy;
1035	}	1678	}
1036		1679
1037	=item cf::player::list_logins	1680	=item cf::player::list_logins
1038		1681
1039	Returns am arrayref of all valid playernames in the system, can take a	1682	Returns am arrayref of all valid playernames in the system, can take a
1040	while and may block, so not sync_job-capable, ever.	1683	while and may block, so not sync_job-capable, ever.
1041		1684
1042	=cut	1685	=cut
1043		1686
1044	sub list_logins {	1687	sub list_logins {
1045	my $dirs = aio_readdir cf::localdir . "/" . cf::playerdir	1688	my $dirs = aio_readdir $PLAYERDIR
1046	or return [];	1689	or return [];
1047		1690
1048	my @logins;	1691	my @logins;
1049		1692
1050	for my $login (@$dirs) {	1693	for my $login (@$dirs) {
		1694	my $path = path $login;
		1695
		1696	# a .pst is a dead give-away for a valid player
		1697	# if no pst file found, open and chekc for blocked users
		1698	if (aio_stat "$path.pst") {
1051	my $fh = aio_open path $login, Fcntl::O_RDONLY, 0 or next;	1699	my $fh = aio_open $path, Fcntl::O_RDONLY, 0 or next;
1052	aio_read $fh, 0, 512, my $buf, 0 or next;	1700	aio_read $fh, 0, 512, my $buf, 0 or next;
1053	$buf !~ /^password -------------$/m or next; # official not-valid tag	1701	$buf !~ /^password -------------$/m or next; # official not-valid tag
		1702	}
1054		1703
1055	utf8::decode $login;	1704	utf8::decode $login;
1056	push @logins, $login;	1705	push @logins, $login;
1057	}	1706	}
1058		1707
1059	\@logins	1708	\@logins
1060	}	1709	}
1061		1710
1062	=item $player->maps	1711	=item $player->maps
1063		1712
		1713	=item cf::player::maps $login
		1714
1064	Returns an arrayref of map paths that are private for this	1715	Returns an arrayref of map paths that are private for this
1065	player. May block.	1716	player. May block.
1066		1717
1067	=cut	1718	=cut
1068		1719
1069	sub maps($) {	1720	sub maps($) {
1070	my ($pl) = @_;	1721	my ($pl) = @_;
		1722
		1723	$pl = ref $pl ? $pl->ob->name : $pl;
1071		1724
1072	my $files = aio_readdir playerdir $pl	1725	my $files = aio_readdir playerdir $pl
1073	or return;	1726	or return;
1074		1727
1075	my @paths;	1728	my @paths;
…		…
1077	for (@$files) {	1730	for (@$files) {
1078	utf8::decode $_;	1731	utf8::decode $_;
1079	next if /\.(?:pl|pst)$/;	1732	next if /\.(?:pl|pst)$/;
1080	next unless /^$PATH_SEP/o;	1733	next unless /^$PATH_SEP/o;
1081		1734
1082	push @paths, "~" . $pl->ob->name . "/" . $_;	1735	push @paths, cf::map::normalise "~$pl/$_";
1083	}	1736	}
1084		1737
1085	\@paths	1738	\@paths
1086	}	1739	}
1087		1740
		1741	=item $protocol_xml = $player->expand_cfpod ($cfpod)
		1742
		1743	Expand deliantra pod fragments into protocol xml.
		1744
1088	=item $player->ext_reply ($msgid, $msgtype, %msg)	1745	=item $player->ext_reply ($msgid, @msg)
1089		1746
1090	Sends an ext reply to the player.	1747	Sends an ext reply to the player.
1091		1748
1092	=cut	1749	=cut
1093		1750
1094	sub ext_reply($$$%) {	1751	sub ext_reply($$@) {
1095	my ($self, $id, %msg) = @_;	1752	my ($self, $id, @msg) = @_;
1096		1753
1097	$msg{msgid} = $id;	1754	$self->ns->ext_reply ($id, @msg)
1098
1099	$self->send ("ext " . cf::to_json \%msg);
1100	}	1755	}
1101		1756
1102	package cf;	1757	=item $player->ext_msg ($type, @msg)
		1758
		1759	Sends an ext event to the client.
		1760
		1761	=cut
		1762
		1763	sub ext_msg($$@) {
		1764	my ($self, $type, @msg) = @_;
		1765
		1766	$self->ns->ext_msg ($type, @msg);
		1767	}
		1768
		1769	=head3 cf::region
		1770
		1771	=over 4
		1772
		1773	=cut
		1774
		1775	package cf::region;
		1776
		1777	=item cf::region::find_by_path $path
		1778
		1779	Tries to decuce the likely region for a map knowing only its path.
		1780
		1781	=cut
		1782
		1783	sub find_by_path($) {
		1784	my ($path) = @_;
		1785
		1786	$path =~ s/^~[^\/]*//; # skip ~login
		1787
		1788	my ($match, $specificity);
		1789
		1790	for my $region (list) {
		1791	if ($region->{match} && $path =~ $region->{match}) {
		1792	($match, $specificity) = ($region, $region->specificity)
		1793	if $region->specificity > $specificity;
		1794	}
		1795	}
		1796
		1797	$match
		1798	}
1103		1799
1104	=back	1800	=back
1105
1106		1801
1107	=head3 cf::map	1802	=head3 cf::map
1108		1803
1109	=over 4	1804	=over 4
1110		1805
…		…
1114		1809
1115	use Fcntl;	1810	use Fcntl;
1116	use Coro::AIO;	1811	use Coro::AIO;
1117		1812
1118	use overload	1813	use overload
1119	'""' => \&as_string;	1814	'""' => \&as_string,
		1815	fallback => 1;
1120		1816
1121	our $MAX_RESET = 3600;	1817	our $MAX_RESET = 3600;
1122	our $DEFAULT_RESET = 3000;	1818	our $DEFAULT_RESET = 3000;
1123		1819
1124	sub generate_random_map {	1820	sub generate_random_map {
1125	my ($self, $rmp) = @_;	1821	my ($self, $rmp) = @_;
		1822
		1823	my $lock = cf::lock_acquire "generate_random_map"; # the random map generator is NOT reentrant ATM
1126		1824
1127	# mit "rum" bekleckern, nicht	1825	# mit "rum" bekleckern, nicht
1128	$self->_create_random_map (	1826	$self->_create_random_map (
1129	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},	1827	$rmp->{wallstyle}, $rmp->{wall_name}, $rmp->{floorstyle}, $rmp->{monsterstyle},
1130	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle},	1828	$rmp->{treasurestyle}, $rmp->{layoutstyle}, $rmp->{doorstyle}, $rmp->{decorstyle}, $rmp->{miningstyle},
1131	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},	1829	$rmp->{origin_map}, $rmp->{final_map}, $rmp->{exitstyle}, $rmp->{this_map},
1132	$rmp->{exit_on_final_map},	1830	$rmp->{exit_on_final_map},
1133	$rmp->{xsize}, $rmp->{ysize},	1831	$rmp->{xsize}, $rmp->{ysize},
1134	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},	1832	$rmp->{expand2x}, $rmp->{layoutoptions1}, $rmp->{layoutoptions2}, $rmp->{layoutoptions3},
1135	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},	1833	$rmp->{symmetry}, $rmp->{difficulty}, $rmp->{difficulty_given}, $rmp->{difficulty_increase},
…		…
1138	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},	1836	$rmp->{map_layout_style}, $rmp->{treasureoptions}, $rmp->{symmetry_used},
1139	(cf::region::find $rmp->{region}), $rmp->{custom}	1837	(cf::region::find $rmp->{region}), $rmp->{custom}
1140	)	1838	)
1141	}	1839	}
1142		1840
		1841	=item cf::map->register ($regex, $prio)
		1842
		1843	Register a handler for the map path matching the given regex at the
		1844	givne priority (higher is better, built-in handlers have priority 0, the
		1845	default).
		1846
		1847	=cut
		1848
1143	sub register {	1849	sub register {
1144	my (undef, $regex) = @_;	1850	my (undef, $regex, $prio) = @_;
1145	my $pkg = caller;	1851	my $pkg = caller;
1146		1852
1147	no strict;	1853	no strict;
1148	push @{"$pkg\::ISA"}, __PACKAGE__;	1854	push @{"$pkg\::ISA"}, __PACKAGE__;
1149		1855
1150	$EXT_MAP{$pkg} = qr<$regex>;	1856	$EXT_MAP{$pkg} = [$prio, qr<$regex>];
1151	}	1857	}
1152		1858
1153	# also paths starting with '/'	1859	# also paths starting with '/'
1154	$EXT_MAP{"cf::map"} = qr{^(?=/)};	1860	$EXT_MAP{"cf::map::wrap"} = [0, qr{^(?=/)}];
		1861
		1862	sub thawer_merge {
		1863	my ($self, $merge) = @_;
		1864
		1865	# we have to keep some variables in memory intact
		1866	local $self->{path};
		1867	local $self->{load_path};
		1868
		1869	$self->SUPER::thawer_merge ($merge);
		1870	}
1155		1871
1156	sub normalise {	1872	sub normalise {
1157	my ($path, $base) = @_;	1873	my ($path, $base) = @_;
		1874
		1875	$path = "$path"; # make sure its a string
		1876
		1877	$path =~ s/\.map$//;
1158		1878
1159	# map plan:	1879	# map plan:
1160	#	1880	#
1161	# /! non-realised random map exit (special hack!)	1881	# /! non-realised random map exit (special hack!)
1162	# {... are special paths that are not being touched	1882	# {... are special paths that are not being touched
…		…
1190		1910
1191	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object	1911	return $path if UNIVERSAL::isa $path, "cf::map"; # already a map object
1192		1912
1193	$path = normalise $path, $base;	1913	$path = normalise $path, $base;
1194		1914
1195	for my $pkg (keys %EXT_MAP) {	1915	for my $pkg (sort { $EXT_MAP{$b}[0] <=> $EXT_MAP{$a}[0] } keys %EXT_MAP) {
1196	if ($path =~ $EXT_MAP{$pkg}) {	1916	if ($path =~ $EXT_MAP{$pkg}[1]) {
1197	my $self = bless cf::map::new, $pkg;	1917	my $self = bless cf::map::new, $pkg;
1198	$self->{path} = $path; $self->path ($path);	1918	$self->{path} = $path; $self->path ($path);
1199	$self->init; # pass $1 etc.	1919	$self->init; # pass $1 etc.
1200	return $self;	1920	return $self;
1201	}	1921	}
1202	}	1922	}
1203		1923
1204	Carp::carp "unable to resolve path '$path'.";	1924	Carp::cluck "unable to resolve path '$path' (base '$base').";
1205	()	1925	()
1206	}	1926	}
1207		1927
1208	sub init {	1928	sub init {
1209	my ($self) = @_;	1929	my ($self) = @_;
…		…
1220	# the displayed name, this is a one way mapping	1940	# the displayed name, this is a one way mapping
1221	sub visible_name {	1941	sub visible_name {
1222	&as_string	1942	&as_string
1223	}	1943	}
1224		1944
1225	# escape the /'s in the path
1226	sub _escaped_path {
1227	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/g;
1228
1229	$path
1230	}
1231
1232	# the original (read-only) location	1945	# the original (read-only) location
1233	sub load_path {	1946	sub load_path {
1234	my ($self) = @_;	1947	my ($self) = @_;
1235		1948
1236	sprintf "%s/%s/%s", cf::datadir, cf::mapdir, $self->{path}	1949	"$MAPDIR/$self->{path}.map"
1237	}	1950	}
1238		1951
1239	# the temporary/swap location	1952	# the temporary/swap location
1240	sub save_path {	1953	sub save_path {
1241	my ($self) = @_;	1954	my ($self) = @_;
1242		1955
1243	sprintf "%s/%s/%s.map", cf::localdir, cf::tmpdir, $self->_escaped_path	1956	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1957	"$TMPDIR/$path.map"
1244	}	1958	}
1245		1959
1246	# the unique path, undef == no special unique path	1960	# the unique path, undef == no special unique path
1247	sub uniq_path {	1961	sub uniq_path {
1248	my ($self) = @_;	1962	my ($self) = @_;
1249		1963
1250	sprintf "%s/%s/%s", cf::localdir, cf::uniquedir, $self->_escaped_path	1964	(my $path = $_[0]{path}) =~ s/\//$PATH_SEP/go;
		1965	"$UNIQUEDIR/$path"
1251	}	1966	}
1252		1967
1253	# and all this just because we cannot iterate over	1968	sub decay_objects {
1254	# all maps in C++...
1255	sub change_all_map_light {
1256	my ($change) = @_;	1969	my ($self) = @_;
1257		1970
1258	$_->change_map_light ($change)	1971	return if $self->{deny_reset};
1259	for grep $_->outdoor, values %cf::MAP;	1972
		1973	$self->do_decay_objects;
1260	}	1974	}
1261		1975
1262	sub unlink_save {	1976	sub unlink_save {
1263	my ($self) = @_;	1977	my ($self) = @_;
1264		1978
1265	utf8::encode (my $save = $self->save_path);	1979	utf8::encode (my $save = $self->save_path);
1266	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink $save;	1980	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink $save;
1267	IO::AIO::aioreq_pri 4; IO::AIO::aio_unlink "$save.pst";	1981	IO::AIO::aioreq_pri 4; Coro::AIO::aio_unlink "$save.pst";
1268	}	1982	}
1269		1983
1270	sub load_header_from($) {	1984	sub load_header_from($) {
1271	my ($self, $path) = @_;	1985	my ($self, $path) = @_;
1272		1986
1273	utf8::encode $path;	1987	utf8::encode $path;
1274	aio_open $path, O_RDONLY, 0	1988	my $f = new_from_file cf::object::thawer $path
1275	or return;	1989	or return;
1276		1990
1277	$self->_load_header ($path)	1991	$self->_load_header ($f)
1278	or return;	1992	or return;
1279		1993
		1994	local $MAP_LOADING{$self->{path}} = $self;
		1995	$f->resolve_delayed_derefs;
		1996
1280	$self->{load_path} = $path;	1997	$self->{load_path} = $path;
1281		1998
1282	1	1999	1
1283	}	2000	}
1284		2001
1285	sub load_orig {	2002	sub load_header_orig {
1286	my ($self) = @_;	2003	my ($self) = @_;
1287		2004
1288	$self->load_header_from ($self->load_path)	2005	$self->load_header_from ($self->load_path)
1289	}	2006	}
1290		2007
1291	sub load_temp {	2008	sub load_header_temp {
1292	my ($self) = @_;	2009	my ($self) = @_;
1293		2010
1294	$self->load_header_from ($self->save_path)	2011	$self->load_header_from ($self->save_path)
		2012	}
		2013
		2014	sub prepare_temp {
		2015	my ($self) = @_;
		2016
		2017	$self->last_access ((delete $self->{last_access})
		2018	|| $cf::RUNTIME); #d#
		2019	# safety
		2020	$self->{instantiate_time} = $cf::RUNTIME
		2021	if $self->{instantiate_time} > $cf::RUNTIME;
		2022	}
		2023
		2024	sub prepare_orig {
		2025	my ($self) = @_;
		2026
		2027	$self->{load_original} = 1;
		2028	$self->{instantiate_time} = $cf::RUNTIME;
		2029	$self->last_access ($cf::RUNTIME);
		2030	$self->instantiate;
1295	}	2031	}
1296		2032
1297	sub load_header {	2033	sub load_header {
1298	my ($self) = @_;	2034	my ($self) = @_;
1299		2035
1300	if ($self->load_temp) {	2036	if ($self->load_header_temp) {
1301	$self->last_access ((delete $self->{last_access})	2037	$self->prepare_temp;
1302	|| $cf::RUNTIME); #d#
1303	# safety
1304	$self->{instantiate_time} = $cf::RUNTIME
1305	if $self->{instantiate_time} > $cf::RUNTIME;
1306	} else {	2038	} else {
1307	$self->load_orig	2039	$self->load_header_orig
1308	or return;	2040	or return;
1309		2041	$self->prepare_orig;
1310	$self->{load_original} = 1;
1311	$self->{instantiate_time} = $cf::RUNTIME;
1312	$self->last_access ($cf::RUNTIME);
1313	$self->instantiate;
1314	}	2042	}
		2043
		2044	$self->{deny_reset} = 1
		2045	if $self->no_reset;
		2046
		2047	$self->default_region (cf::region::find_by_path $self->{path})
		2048	unless $self->default_region;
1315		2049
1316	1	2050	1
1317	}	2051	}
1318		2052
1319	sub find;	2053	sub find;
1320	sub find {	2054	sub find {
1321	my ($path, $origin) = @_;	2055	my ($path, $origin) = @_;
1322		2056
1323	$path = normalise $path, $origin && $origin->path;	2057	$path = normalise $path, $origin && $origin->path;
1324		2058
		2059	my $guard1 = cf::lock_acquire "map_data:$path";#d#remove
1325	cf::lock_wait "map_find:$path";	2060	my $guard2 = cf::lock_acquire "map_find:$path";
1326		2061
1327	$cf::MAP{$path} || do {	2062	$cf::MAP{$path} || do {
1328	my $guard = cf::lock_acquire "map_find:$path";
1329	my $map = new_from_path cf::map $path	2063	my $map = new_from_path cf::map $path
1330	or return;	2064	or return;
1331		2065
1332	$map->{last_save} = $cf::RUNTIME;	2066	$map->{last_save} = $cf::RUNTIME;
1333		2067
1334	$map->load_header	2068	$map->load_header
1335	or return;	2069	or return;
1336		2070
1337	if ($map->should_reset) {	2071	if ($map->should_reset) {#d#TODO# disabled, crashy (locking issue?)
		2072	# doing this can freeze the server in a sync job, obviously
		2073	#$cf::WAIT_FOR_TICK->wait;
		2074	undef $guard2;
		2075	undef $guard1;
1338	$map->reset;	2076	$map->reset;
1339	undef $guard;
1340	$map = find $path	2077	return find $path;
1341	or return;
1342	}	2078	}
1343		2079
1344	$cf::MAP{$path} = $map	2080	$cf::MAP{$path} = $map
1345	}	2081	}
1346	}	2082	}
		2083
		2084	sub pre_load { }
		2085	#sub post_load { } # XS
1347		2086
1348	sub load {	2087	sub load {
1349	my ($self) = @_;	2088	my ($self) = @_;
1350		2089
		2090	local $self->{deny_reset} = 1; # loading can take a long time
		2091
1351	my $path = $self->{path};	2092	my $path = $self->{path};
		2093
		2094	{
1352	my $guard = cf::lock_acquire "map_load:$path";	2095	my $guard = cf::lock_acquire "map_data:$path";
1353		2096
		2097	return unless $self->valid;
1354	return if $self->in_memory != cf::MAP_SWAPPED;	2098	return unless $self->in_memory == cf::MAP_SWAPPED;
1355		2099
1356	$self->in_memory (cf::MAP_LOADING);	2100	$self->in_memory (cf::MAP_LOADING);
1357		2101
1358	$self->alloc;	2102	$self->alloc;
1359	$self->_load_objects ($self->{load_path}, 1)	2103
		2104	$self->pre_load;
		2105	cf::cede_to_tick;
		2106
		2107	my $f = new_from_file cf::object::thawer $self->{load_path};
		2108	$f->skip_block;
		2109	$self->_load_objects ($f)
1360	or return;	2110	or return;
1361		2111
1362	$self->set_object_flag (cf::FLAG_OBJ_ORIGINAL, 1)	2112	$self->post_load_original
1363	if delete $self->{load_original};	2113	if delete $self->{load_original};
1364		2114
1365	if (my $uniq = $self->uniq_path) {	2115	if (my $uniq = $self->uniq_path) {
1366	utf8::encode $uniq;	2116	utf8::encode $uniq;
1367	if (aio_open $uniq, O_RDONLY, 0) {	2117	unless (aio_stat $uniq) {
		2118	if (my $f = new_from_file cf::object::thawer $uniq) {
1368	$self->clear_unique_items;	2119	$self->clear_unique_items;
1369	$self->_load_objects ($uniq, 0);	2120	$self->_load_objects ($f);
		2121	$f->resolve_delayed_derefs;
		2122	}
1370	}	2123	}
1371	}	2124	}
1372		2125
1373	Coro::cede;	2126	$f->resolve_delayed_derefs;
1374		2127
		2128	cf::cede_to_tick;
1375	# now do the right thing for maps	2129	# now do the right thing for maps
1376	$self->link_multipart_objects;	2130	$self->link_multipart_objects;
1377
1378	unless ($self->{deny_activate}) {
1379	$self->decay_objects;
1380	$self->fix_auto_apply;
1381	$self->update_buttons;
1382	Coro::cede;
1383	$self->set_darkness_map;
1384	$self->difficulty ($self->estimate_difficulty)	2131	$self->difficulty ($self->estimate_difficulty)
1385	unless $self->difficulty;	2132	unless $self->difficulty;
1386	Coro::cede;	2133	cf::cede_to_tick;
		2134
		2135	unless ($self->{deny_activate}) {
		2136	$self->decay_objects;
		2137	$self->fix_auto_apply;
		2138	$self->update_buttons;
		2139	cf::cede_to_tick;
1387	$self->activate;	2140	$self->activate;
1388	}	2141	}
1389		2142
		2143	$self->{last_save} = $cf::RUNTIME;
		2144	$self->last_access ($cf::RUNTIME);
		2145
1390	$self->in_memory (cf::MAP_IN_MEMORY);	2146	$self->in_memory (cf::MAP_ACTIVE);
1391	}	2147	}
1392		2148
		2149	$self->post_load;
		2150	}
		2151
		2152	# customize the map for a given player, i.e.
		2153	# return the _real_ map. used by e.g. per-player
		2154	# maps to change the path to ~playername/mappath
1393	sub customise_for {	2155	sub customise_for {
1394	my ($self, $ob) = @_;	2156	my ($self, $ob) = @_;
1395		2157
1396	return find "~" . $ob->name . "/" . $self->{path}	2158	return find "~" . $ob->name . "/" . $self->{path}
1397	if $self->per_player;	2159	if $self->per_player;
1398		2160
		2161	# return find "?party/" . $ob->name . "/" . $self->{path}
		2162	# if $self->per_party;
		2163
1399	$self	2164	$self
1400	}	2165	}
1401		2166
1402	# find and load all maps in the 3x3 area around a map	2167	# find and load all maps in the 3x3 area around a map
1403	sub load_diag {	2168	sub load_neighbours {
1404	my ($map) = @_;	2169	my ($map) = @_;
1405		2170
1406	my @diag; # diagonal neighbours	2171	my @neigh; # diagonal neighbours
1407		2172
1408	for (0 .. 3) {	2173	for (0 .. 3) {
1409	my $neigh = $map->tile_path ($_)	2174	my $neigh = $map->tile_path ($_)
1410	or next;	2175	or next;
1411	$neigh = find $neigh, $map	2176	$neigh = find $neigh, $map
1412	or next;	2177	or next;
1413	$neigh->load;	2178	$neigh->load;
1414		2179
		2180	# now find the diagonal neighbours
		2181	push @neigh,
1415	push @diag, [$neigh->tile_path (($_ + 3) % 4), $neigh],	2182	[$neigh->tile_path (($_ + 3) % 4), $neigh],
1416	[$neigh->tile_path (($_ + 1) % 4), $neigh];	2183	[$neigh->tile_path (($_ + 1) % 4), $neigh];
1417	}	2184	}
1418		2185
1419	for (@diag) {	2186	for (grep defined $_->[0], @neigh) {
		2187	my ($path, $origin) = @$_;
1420	my $neigh = find @$_	2188	my $neigh = find $path, $origin
1421	or next;	2189	or next;
1422	$neigh->load;	2190	$neigh->load;
1423	}	2191	}
1424	}	2192	}
1425		2193
1426	sub find_sync {	2194	sub find_sync {
1427	my ($path, $origin) = @_;	2195	my ($path, $origin) = @_;
1428		2196
1429	cf::sync_job { find $path, $origin }	2197	return cf::LOG cf::llevError | cf::logBacktrace, "do_find_sync"
		2198	if $Coro::current == $Coro::main;
		2199
		2200	find $path, $origin
1430	}	2201	}
1431		2202
1432	sub do_load_sync {	2203	sub do_load_sync {
1433	my ($map) = @_;	2204	my ($map) = @_;
1434		2205
1435	cf::sync_job { $map->load };	2206	return cf::LOG cf::llevError | cf::logBacktrace, "do_load_sync"
		2207	if $Coro::current == $Coro::main;
		2208
		2209	$map->load;
1436	}	2210	}
1437		2211
1438	our %MAP_PREFETCH;	2212	our %MAP_PREFETCH;
1439	our $MAP_PREFETCHER = Coro::async {	2213	our $MAP_PREFETCHER = undef;
1440	while () {
1441	for my $path (keys %MAP_PREFETCH) {
1442	my $map = find $path
1443	or next;
1444	$map->load;
1445
1446	delete $MAP_PREFETCH{$path};
1447	}
1448	Coro::schedule;
1449	}
1450	};
1451		2214
1452	sub find_async {	2215	sub find_async {
1453	my ($path, $origin) = @_;	2216	my ($path, $origin, $load) = @_;
1454		2217
1455	$path = normalise $path, $origin && $origin->{path};	2218	$path = normalise $path, $origin && $origin->{path};
1456		2219
1457	if (my $map = $cf::MAP{$path}) {	2220	if (my $map = $cf::MAP{$path}) {
1458	return $map if $map->in_memory == cf::MAP_IN_MEMORY;	2221	return $map if !$load || $map->in_memory == cf::MAP_ACTIVE;
		2222	}
		2223
		2224	$MAP_PREFETCH{$path} |= $load;
		2225
		2226	$MAP_PREFETCHER ||= cf::async {
		2227	$Coro::current->{desc} = "map prefetcher";
		2228
		2229	while (%MAP_PREFETCH) {
		2230	while (my ($k, $v) = each %MAP_PREFETCH) {
		2231	if (my $map = find $k) {
		2232	$map->load if $v;
		2233	}
		2234
		2235	delete $MAP_PREFETCH{$k};
		2236	}
		2237	}
		2238	undef $MAP_PREFETCHER;
1459	}	2239	};
1460
1461	$MAP_PREFETCH{$path} = 0;
1462	$MAP_PREFETCHER->ready;	2240	$MAP_PREFETCHER->prio (6);
1463		2241
1464	()	2242	()
1465	}	2243	}
1466		2244
		2245	# common code, used by both ->save and ->swapout
1467	sub save {	2246	sub _save {
1468	my ($self) = @_;	2247	my ($self) = @_;
1469
1470	my $lock = cf::lock_acquire "map_data:" . $self->path;
1471		2248
1472	$self->{last_save} = $cf::RUNTIME;	2249	$self->{last_save} = $cf::RUNTIME;
1473		2250
1474	return unless $self->dirty;	2251	return unless $self->dirty;
1475		2252
…		…
1481	return if $self->{deny_save};	2258	return if $self->{deny_save};
1482		2259
1483	local $self->{last_access} = $self->last_access;#d#	2260	local $self->{last_access} = $self->last_access;#d#
1484		2261
1485	cf::async {	2262	cf::async {
		2263	$Coro::current->{desc} = "map player save";
1486	$_->contr->save for $self->players;	2264	$_->contr->save for $self->players;
1487	};	2265	};
		2266
		2267	cf::get_slot 0.02;
1488		2268
1489	if ($uniq) {	2269	if ($uniq) {
1490	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);	2270	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS);
1491	$self->_save_objects ($uniq, cf::IO_UNIQUES);	2271	$self->_save_objects ($uniq, cf::IO_UNIQUES);
1492	} else {	2272	} else {
1493	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);	2273	$self->_save_objects ($save, cf::IO_HEADER | cf::IO_OBJECTS | cf::IO_UNIQUES);
1494	}	2274	}
1495	}	2275	}
1496		2276
		2277	sub save {
		2278	my ($self) = @_;
		2279
		2280	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2281
		2282	$self->_save;
		2283	}
		2284
1497	sub swap_out {	2285	sub swap_out {
1498	my ($self) = @_;	2286	my ($self) = @_;
1499		2287
1500	# save first because save cedes
1501	$self->save;
1502
1503	my $lock = cf::lock_acquire "map_data:" . $self->path;	2288	my $lock = cf::lock_acquire "map_data:$self->{path}";
1504		2289
		2290	return if $self->in_memory != cf::MAP_ACTIVE;
		2291	return if $self->{deny_save};
1505	return if $self->players;	2292	return if $self->players;
1506	return if $self->in_memory != cf::MAP_IN_MEMORY;
1507	return if $self->{deny_save};
1508		2293
		2294	# first deactivate the map and "unlink" it from the core
		2295	$self->deactivate;
		2296	$_->clear_links_to ($self) for values %cf::MAP;
		2297	$self->in_memory (cf::MAP_SWAPPED);
		2298
		2299	# then atomically save
		2300	$self->_save;
		2301
		2302	# then free the map
1509	$self->clear;	2303	$self->clear;
1510	$self->in_memory (cf::MAP_SWAPPED);
1511	}	2304	}
1512		2305
1513	sub reset_at {	2306	sub reset_at {
1514	my ($self) = @_;	2307	my ($self) = @_;
1515		2308
1516	# TODO: safety, remove and allow resettable per-player maps	2309	# TODO: safety, remove and allow resettable per-player maps
1517	return 1e99 if $self->isa ("ext::map_per_player");
1518	return 1e99 if $self->{deny_reset};	2310	return 1e99 if $self->{deny_reset};
1519		2311
1520	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;	2312	my $time = $self->fixed_resettime ? $self->{instantiate_time} : $self->last_access;
1521	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;	2313	my $to = List::Util::min $MAX_RESET, $self->reset_timeout || $DEFAULT_RESET;
1522		2314
…		…
1527	my ($self) = @_;	2319	my ($self) = @_;
1528		2320
1529	$self->reset_at <= $cf::RUNTIME	2321	$self->reset_at <= $cf::RUNTIME
1530	}	2322	}
1531		2323
1532	sub rename {
1533	my ($self, $new_path) = @_;
1534
1535	normalise $new_path;
1536
1537	$self->unlink_save;
1538
1539	delete $cf::MAP{$self->path};
1540	$self->{path} = $new_path; $self->path ($self->{path});
1541	$cf::MAP{$self->path} = $self;
1542
1543	$self->save;
1544	}
1545
1546	sub reset {	2324	sub reset {
1547	my ($self) = @_;	2325	my ($self) = @_;
1548		2326
1549	my $lock = cf::lock_acquire "map_data:" . $self->path;	2327	my $lock = cf::lock_acquire "map_data:$self->{path}";
1550		2328
1551	return if $self->players;	2329	return if $self->players;
1552	return if $self->isa ("ext::map_per_player");#d#
1553		2330
1554	warn "resetting map ", $self->path;#d#	2331	cf::trace "resetting map ", $self->path, "\n";
		2332
		2333	$self->in_memory (cf::MAP_SWAPPED);
		2334
		2335	# need to save uniques path
		2336	unless ($self->{deny_save}) {
		2337	my $uniq = $self->uniq_path; utf8::encode $uniq;
		2338
		2339	$self->_save_objects ($uniq, cf::IO_UNIQUES)
		2340	if $uniq;
		2341	}
1555		2342
1556	delete $cf::MAP{$self->path};	2343	delete $cf::MAP{$self->path};
1557		2344
		2345	$self->deactivate;
1558	$_->clear_links_to ($self) for values %cf::MAP;	2346	$_->clear_links_to ($self) for values %cf::MAP;
		2347	$self->clear;
1559		2348
1560	$self->unlink_save;	2349	$self->unlink_save;
1561	$self->destroy;	2350	$self->destroy;
1562	}	2351	}
1563		2352
1564	my $nuke_counter = "aaaa";	2353	my $nuke_counter = "aaaa";
1565		2354
1566	sub nuke {	2355	sub nuke {
1567	my ($self) = @_;	2356	my ($self) = @_;
1568		2357
		2358	{
		2359	my $lock = cf::lock_acquire "map_data:$self->{path}";
		2360
		2361	delete $cf::MAP{$self->path};
		2362
		2363	$self->unlink_save;
		2364
		2365	bless $self, "cf::map::wrap";
		2366	delete $self->{deny_reset};
1569	$self->{deny_save} = 1;	2367	$self->{deny_save} = 1;
1570	$self->reset_timeout (1);	2368	$self->reset_timeout (1);
1571	$self->rename ("{nuke}/" . ($nuke_counter++));	2369	$self->path ($self->{path} = "{nuke}/" . ($nuke_counter++));
		2370
		2371	$cf::MAP{$self->path} = $self;
		2372	}
		2373
1572	$self->reset; # polite request, might not happen	2374	$self->reset; # polite request, might not happen
		2375	}
		2376
		2377	=item $maps = cf::map::tmp_maps
		2378
		2379	Returns an arrayref with all map paths of currently instantiated and saved
		2380	maps. May block.
		2381
		2382	=cut
		2383
		2384	sub tmp_maps() {
		2385	[
		2386	map {
		2387	utf8::decode $_;
		2388	/\.map$/
		2389	? normalise $_
		2390	: ()
		2391	} @{ aio_readdir $TMPDIR or [] }
		2392	]
		2393	}
		2394
		2395	=item $maps = cf::map::random_maps
		2396
		2397	Returns an arrayref with all map paths of currently instantiated and saved
		2398	random maps. May block.
		2399
		2400	=cut
		2401
		2402	sub random_maps() {
		2403	[
		2404	map {
		2405	utf8::decode $_;
		2406	/\.map$/
		2407	? normalise "?random/$_"
		2408	: ()
		2409	} @{ aio_readdir $RANDOMDIR or [] }
		2410	]
1573	}	2411	}
1574		2412
1575	=item cf::map::unique_maps	2413	=item cf::map::unique_maps
1576		2414
1577	Returns an arrayref of paths of all shared maps that have	2415	Returns an arrayref of paths of all shared maps that have
1578	instantiated unique items. May block.	2416	instantiated unique items. May block.
1579		2417
1580	=cut	2418	=cut
1581		2419
1582	sub unique_maps() {	2420	sub unique_maps() {
1583	my $files = aio_readdir cf::localdir . "/" . cf::uniquedir	2421	[
1584	or return;	2422	map {
1585
1586	my @paths;
1587
1588	for (@$files) {
1589	utf8::decode $_;	2423	utf8::decode $_;
1590	next if /\.pst$/;	2424	s/\.map$//; # TODO future compatibility hack
1591	next unless /^$PATH_SEP/o;	2425	/\.pst$/ || !/^$PATH_SEP/o # TODO unique maps apparebntly lack the .map suffix :/
1592		2426	? ()
1593	push @paths, $_;	2427	: normalise $_
		2428	} @{ aio_readdir $UNIQUEDIR or [] }
1594	}	2429	]
1595
1596	\@paths
1597	}	2430	}
1598		2431
1599	package cf;	2432	=item cf::map::static_maps
		2433
		2434	Returns an arrayref if paths of all static maps (all preinstalled F<.map>
		2435	file in the shared directory excluding F</styles> and F</editor>). May
		2436	block.
		2437
		2438	=cut
		2439
		2440	sub static_maps() {
		2441	my @dirs = "";
		2442	my @maps;
		2443
		2444	while (@dirs) {
		2445	my $dir = shift @dirs;
		2446
		2447	next if $dir eq "/styles" || $dir eq "/editor";
		2448
		2449	my ($dirs, $files) = Coro::AIO::aio_scandir "$MAPDIR$dir", 2
		2450	or return;
		2451
		2452	for (@$files) {
		2453	s/\.map$// or next;
		2454	utf8::decode $_;
		2455	push @maps, "$dir/$_";
		2456	}
		2457
		2458	push @dirs, map "$dir/$_", @$dirs;
		2459	}
		2460
		2461	\@maps
		2462	}
1600		2463
1601	=back	2464	=back
1602		2465
1603	=head3 cf::object	2466	=head3 cf::object
1604		2467
…		…
1608		2471
1609	=over 4	2472	=over 4
1610		2473
1611	=item $ob->inv_recursive	2474	=item $ob->inv_recursive
1612		2475
1613	Returns the inventory of the object _and_ their inventories, recursively.	2476	Returns the inventory of the object I<and> their inventories, recursively,
		2477	but I<not> the object itself.
1614		2478
1615	=cut	2479	=cut
1616		2480
1617	sub inv_recursive_;	2481	sub inv_recursive_;
1618	sub inv_recursive_ {	2482	sub inv_recursive_ {
…		…
1621		2485
1622	sub inv_recursive {	2486	sub inv_recursive {
1623	inv_recursive_ inv $_[0]	2487	inv_recursive_ inv $_[0]
1624	}	2488	}
1625		2489
		2490	=item $ref = $ob->ref
		2491
		2492	Creates and returns a persistent reference to an object that can be stored as a string.
		2493
		2494	=item $ob = cf::object::deref ($refstring)
		2495
		2496	returns the objetc referenced by refstring. may return undef when it cnanot find the object,
		2497	even if the object actually exists. May block.
		2498
		2499	=cut
		2500
		2501	sub deref {
		2502	my ($ref) = @_;
		2503
		2504	if ($ref =~ m{^player\/(<1\.[0-9a-f]+>)/(.*)$}) {
		2505	my ($uuid, $name) = ($1, $2);
		2506	my $pl = $cf::PLAYER_LOADING{$name} || cf::player::find $name
		2507	or return;
		2508	$pl->ob->uuid eq $uuid
		2509	or return;
		2510
		2511	$pl->ob
		2512	} else {
		2513	warn "$ref: cannot resolve object reference\n";
		2514	undef
		2515	}
		2516	}
		2517
1626	package cf;	2518	package cf;
1627		2519
1628	=back	2520	=back
1629		2521
1630	=head3 cf::object::player	2522	=head3 cf::object::player
…		…
1636	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>	2528	Sends a message to the player, as if the npc C<$npc> replied. C<$npc>
1637	can be C<undef>. Does the right thing when the player is currently in a	2529	can be C<undef>. Does the right thing when the player is currently in a
1638	dialogue with the given NPC character.	2530	dialogue with the given NPC character.
1639		2531
1640	=cut	2532	=cut
		2533
		2534	our $SAY_CHANNEL = {
		2535	id => "say",
		2536	title => "Map",
		2537	reply => "say ",
		2538	tooltip => "Things said to and replied from NPCs near you and other players on the same map only.",
		2539	};
		2540
		2541	our $CHAT_CHANNEL = {
		2542	id => "chat",
		2543	title => "Chat",
		2544	reply => "chat ",
		2545	tooltip => "Player chat and shouts, global to the server.",
		2546	};
1641		2547
1642	# rough implementation of a future "reply" method that works	2548	# rough implementation of a future "reply" method that works
1643	# with dialog boxes.	2549	# with dialog boxes.
1644	#TODO: the first argument must go, split into a $npc->reply_to ( method	2550	#TODO: the first argument must go, split into a $npc->reply_to ( method
1645	sub cf::object::player::reply($$$;$) {	2551	sub cf::object::player::reply($$$;$) {
…		…
1647		2553
1648	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;	2554	$flags = cf::NDI_BROWN | cf::NDI_UNIQUE unless @_ >= 4;
1649		2555
1650	if ($self->{record_replies}) {	2556	if ($self->{record_replies}) {
1651	push @{ $self->{record_replies} }, [$npc, $msg, $flags];	2557	push @{ $self->{record_replies} }, [$npc, $msg, $flags];
		2558
1652	} else {	2559	} else {
		2560	my $pl = $self->contr;
		2561
		2562	if ($pl->{npc_dialog} && $pl->{npc_dialog}->{id}) {
		2563	my $dialog = $pl->{npc_dialog};
		2564	$dialog->{pl}->ext_msg ($dialog->{id}, update => msg => $dialog->{pl}->expand_cfpod ($msg));
		2565
		2566	} else {
1653	$msg = $npc->name . " says: $msg" if $npc;	2567	$msg = $npc->name . " says: $msg" if $npc;
1654	$self->message ($msg, $flags);	2568	$self->send_msg ($SAY_CHANNEL => $msg, $flags);
		2569	}
1655	}	2570	}
		2571	}
		2572
		2573	=item $object->send_msg ($channel, $msg, $color, [extra...])
		2574
		2575	=cut
		2576
		2577	sub cf::object::send_msg {
		2578	my $pl = shift->contr
		2579	or return;
		2580	$pl->send_msg (@_);
1656	}	2581	}
1657		2582
1658	=item $player_object->may ("access")	2583	=item $player_object->may ("access")
1659		2584
1660	Returns wether the given player is authorized to access resource "access"	2585	Returns wether the given player is authorized to access resource "access"
…		…
1673		2598
1674	=item $player_object->enter_link	2599	=item $player_object->enter_link
1675		2600
1676	Freezes the player and moves him/her to a special map (C<{link}>).	2601	Freezes the player and moves him/her to a special map (C<{link}>).
1677		2602
1678	The player should be reasonably safe there for short amounts of time. You	2603	The player should be reasonably safe there for short amounts of time (e.g.
1679	I<MUST> call C<leave_link> as soon as possible, though.	2604	for loading a map). You I<MUST> call C<leave_link> as soon as possible,
		2605	though, as the player cannot control the character while it is on the link
		2606	map.
1680		2607
1681	Will never block.	2608	Will never block.
1682		2609
1683	=item $player_object->leave_link ($map, $x, $y)	2610	=item $player_object->leave_link ($map, $x, $y)
1684		2611
…		…
1692	=cut	2619	=cut
1693		2620
1694	sub link_map {	2621	sub link_map {
1695	unless ($LINK_MAP) {	2622	unless ($LINK_MAP) {
1696	$LINK_MAP = cf::map::find "{link}"	2623	$LINK_MAP = cf::map::find "{link}"
1697	or do { warn "FATAL: unable to provide {link} map, exiting."; exit 1 };	2624	or cf::cleanup "FATAL: unable to provide {link} map, exiting.";
1698	$LINK_MAP->load;	2625	$LINK_MAP->load;
1699	}	2626	}
1700		2627
1701	$LINK_MAP	2628	$LINK_MAP
1702	}	2629	}
…		…
1704	sub cf::object::player::enter_link {	2631	sub cf::object::player::enter_link {
1705	my ($self) = @_;	2632	my ($self) = @_;
1706		2633
1707	$self->deactivate_recursive;	2634	$self->deactivate_recursive;
1708		2635
		2636	++$self->{_link_recursion};
		2637
1709	return if UNIVERSAL::isa $self->map, "ext::map_link";	2638	return if UNIVERSAL::isa $self->map, "ext::map_link";
1710		2639
1711	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]	2640	$self->{_link_pos} ||= [$self->map->{path}, $self->x, $self->y]
1712	if $self->map;	2641	if $self->map && $self->map->{path} ne "{link}";
1713		2642
1714	$self->enter_map ($LINK_MAP || link_map, 20, 20);	2643	$self->enter_map ($LINK_MAP || link_map, 3, 3);
1715	}	2644	}
1716		2645
1717	sub cf::object::player::leave_link {	2646	sub cf::object::player::leave_link {
1718	my ($self, $map, $x, $y) = @_;	2647	my ($self, $map, $x, $y) = @_;
		2648
		2649	return unless $self->contr->active;
1719		2650
1720	my $link_pos = delete $self->{_link_pos};	2651	my $link_pos = delete $self->{_link_pos};
1721		2652
1722	unless ($map) {	2653	unless ($map) {
1723	# restore original map position	2654	# restore original map position
…		…
1734	($x, $y) = (-1, -1)	2665	($x, $y) = (-1, -1)
1735	unless (defined $x) && (defined $y);	2666	unless (defined $x) && (defined $y);
1736		2667
1737	# use -1 or undef as default coordinates, not 0, 0	2668	# use -1 or undef as default coordinates, not 0, 0
1738	($x, $y) = ($map->enter_x, $map->enter_y)	2669	($x, $y) = ($map->enter_x, $map->enter_y)
1739	if $x <=0 && $y <= 0;	2670	if $x <= 0 && $y <= 0;
1740		2671
1741	$map->load;	2672	$map->load;
1742	$map->load_diag;	2673	$map->load_neighbours;
1743		2674
1744	return unless $self->contr->active;	2675	return unless $self->contr->active;
		2676
		2677	local $self->{_prev_pos} = $link_pos; # ugly hack for rent.ext
		2678	if ($self->enter_map ($map, $x, $y)) {
		2679	# entering was successful
		2680	delete $self->{_link_recursion};
		2681	# only activate afterwards, to support waiting in hooks
1745	$self->activate_recursive;	2682	$self->activate_recursive;
1746	$self->enter_map ($map, $x, $y);
1747	}
1748
1749	cf::player->attach (
1750	on_logout => sub {
1751	my ($pl) = @_;
1752
1753	# abort map switching before logout
1754	if ($pl->ob->{_link_pos}) {
1755	cf::sync_job {
1756	$pl->ob->leave_link
1757	};
1758	}
1759	},	2683	}
1760	on_login => sub {
1761	my ($pl) = @_;
1762		2684
1763	# try to abort aborted map switching on player login :)	2685	}
1764	# should happen only on crashes
1765	if ($pl->ob->{_link_pos}) {
1766	$pl->ob->enter_link;
1767	(async {
1768	# we need this sleep as the login has a concurrent enter_exit running
1769	# and this sleep increases chances of the player not ending up in scorn
1770	$pl->ob->reply (undef,
1771	"There was an internal problem at your last logout, "
1772	. "the server will try to bring you to your intended destination in a second.",
1773	cf::NDI_RED);
1774	Coro::Timer::sleep 1;
1775	$pl->ob->leave_link;
1776	})->prio (2);
1777	}
1778	},
1779	);
1780		2686
1781	=item $player_object->goto ($path, $x, $y)	2687	=item $player_object->goto ($path, $x, $y[, $check->($map, $x, $y, $player)[, $done->($player)]])
1782		2688
		2689	Moves the player to the given map-path and coordinates by first freezing
		2690	her, loading and preparing them map, calling the provided $check callback
		2691	that has to return the map if sucecssful, and then unfreezes the player on
		2692	the new (success) or old (failed) map position. In either case, $done will
		2693	be called at the end of this process.
		2694
		2695	Note that $check will be called with a potentially non-loaded map, so if
		2696	it needs a loaded map it has to call C<< ->load >>.
		2697
1783	=cut	2698	=cut
		2699
		2700	our $GOTOGEN;
1784		2701
1785	sub cf::object::player::goto {	2702	sub cf::object::player::goto {
1786	my ($self, $path, $x, $y) = @_;	2703	my ($self, $path, $x, $y, $check, $done) = @_;
		2704
		2705	if ($self->{_link_recursion} >= $MAX_LINKS) {
		2706	error "FATAL: link recursion exceeded, ", $self->name, " goto $path $x $y, redirecting.";
		2707	$self->failmsg ("Something went wrong inside the server - please contact an administrator!");
		2708	($path, $x, $y) = @$EMERGENCY_POSITION;
		2709	}
		2710
		2711	# do generation counting so two concurrent goto's will be executed in-order
		2712	my $gen = $self->{_goto_generation} = ++$GOTOGEN;
1787		2713
1788	$self->enter_link;	2714	$self->enter_link;
1789		2715
1790	(async {	2716	(async {
1791	my $map = cf::map::find $path;	2717	$Coro::current->{desc} = "player::goto $path $x $y";
		2718
		2719	# *tag paths override both path and x|y
		2720	if ($path =~ /^\*(.*)$/) {
		2721	if (my @obs = grep $_->map, ext::map_tags::find $1) {
		2722	my $ob = $obs[rand @obs];
		2723
		2724	# see if we actually can go there
		2725	if (@obs = grep !$self->blocked ($_->map, $_->x, $_->y), $ob, $ob->tail) {
		2726	$ob = $obs[rand @obs];
		2727	} else {
		2728	$self->message ("Wow, it's pretty crowded in there.", cf::NDI_UNIQUE | cf::NDI_RED);
		2729	}
		2730	# else put us there anyways for now #d#
		2731
		2732	($path, $x, $y) = ($ob->map, $ob->x, $ob->y);
		2733	} else {
		2734	($path, $x, $y) = (undef, undef, undef);
		2735	}
		2736	}
		2737
		2738	my $map = eval {
		2739	my $map = defined $path ? cf::map::find $path : undef;
		2740
		2741	if ($map) {
1792	$map = $map->customise_for ($self) if $map;	2742	$map = $map->customise_for ($self);
1793		2743	$map = $check->($map, $x, $y, $self) if $check && $map;
1794	# warn "entering ", $map->path, " at ($x, $y)\n"	2744	} else {
1795	# if $map;
1796
1797	$map or $self->message ("The exit to '" . ($path->visible_name) . "' is closed", cf::NDI_UNIQUE | cf::NDI_RED);	2745	$self->message ("The exit to '$path' is closed.", cf::NDI_UNIQUE | cf::NDI_RED);
		2746	}
1798		2747
		2748	$map
		2749	};
		2750
		2751	if ($@) {
		2752	$self->message ("Something went wrong within the server, please report this incident!", cf::NDI_UNIQUE | cf::NDI_RED);
		2753	LOG llevError | logBacktrace, Carp::longmess $@;
		2754	}
		2755
		2756	if ($gen == $self->{_goto_generation}) {
		2757	delete $self->{_goto_generation};
1799	$self->leave_link ($map, $x, $y);	2758	$self->leave_link ($map, $x, $y);
		2759	}
		2760
		2761	$done->($self) if $done;
1800	})->prio (1);	2762	})->prio (1);
1801	}	2763	}
1802		2764
1803	=item $player_object->enter_exit ($exit_object)	2765	=item $player_object->enter_exit ($exit_object)
1804		2766
…		…
1806		2768
1807	sub parse_random_map_params {	2769	sub parse_random_map_params {
1808	my ($spec) = @_;	2770	my ($spec) = @_;
1809		2771
1810	my $rmp = { # defaults	2772	my $rmp = { # defaults
1811	xsize => 10,	2773	xsize => (cf::rndm 15, 40),
1812	ysize => 10,	2774	ysize => (cf::rndm 15, 40),
		2775	symmetry => (cf::rndm 1, cf::SYMMETRY_XY),
		2776	#layout => string,
1813	};	2777	};
1814		2778
1815	for (split /\n/, $spec) {	2779	for (split /\n/, $spec) {
1816	my ($k, $v) = split /\s+/, $_, 2;	2780	my ($k, $v) = split /\s+/, $_, 2;
1817		2781
…		…
1829	# that depends on the exit object	2793	# that depends on the exit object
1830		2794
1831	my $rmp = parse_random_map_params $exit->msg;	2795	my $rmp = parse_random_map_params $exit->msg;
1832		2796
1833	if ($exit->map) {	2797	if ($exit->map) {
1834	$rmp->{region} = $exit->map->region_name;	2798	$rmp->{region} = $exit->region->name;
1835	$rmp->{origin_map} = $exit->map->path;	2799	$rmp->{origin_map} = $exit->map->path;
1836	$rmp->{origin_x} = $exit->x;	2800	$rmp->{origin_x} = $exit->x;
1837	$rmp->{origin_y} = $exit->y;	2801	$rmp->{origin_y} = $exit->y;
		2802
		2803	$exit->map->touch;
1838	}	2804	}
1839		2805
1840	$rmp->{random_seed} ||= $exit->random_seed;	2806	$rmp->{random_seed} ||= $exit->random_seed;
1841		2807
1842	my $data = cf::to_json $rmp;	2808	my $data = JSON::XS->new->utf8->pretty->canonical->encode ($rmp);
1843	my $md5 = Digest::MD5::md5_hex $data;	2809	my $md5 = Digest::MD5::md5_hex $data;
		2810	my $meta = "$RANDOMDIR/$md5.meta";
1844		2811
1845	if (my $fh = aio_open "$cf::RANDOM_MAPS/$md5.meta", O_WRONLY | O_CREAT, 0666) {	2812	if (my $fh = aio_open "$meta~", O_WRONLY | O_CREAT, 0666) {
1846	aio_write $fh, 0, (length $data), $data, 0;	2813	aio_write $fh, 0, (length $data), $data, 0;
		2814	undef $fh;
		2815	aio_rename "$meta~", $meta;
1847		2816
		2817	my $slaying = "?random/$md5";
		2818
		2819	if ($exit->valid) {
1848	$exit->slaying ("?random/$md5");	2820	$exit->slaying ("?random/$md5");
1849	$exit->msg (undef);	2821	$exit->msg (undef);
		2822	}
1850	}	2823	}
1851	}	2824	}
1852		2825
1853	sub cf::object::player::enter_exit {	2826	sub cf::object::player::enter_exit {
1854	my ($self, $exit) = @_;	2827	my ($self, $exit) = @_;
…		…
1856	return unless $self->type == cf::PLAYER;	2829	return unless $self->type == cf::PLAYER;
1857		2830
1858	$self->enter_link;	2831	$self->enter_link;
1859		2832
1860	(async {	2833	(async {
1861	$self->deactivate_recursive; # just to be sure	2834	$Coro::current->{desc} = "enter_exit";
		2835
1862	unless (eval {	2836	unless (eval {
		2837	$self->deactivate_recursive; # just to be sure
		2838
		2839	# random map handling
		2840	{
		2841	my $guard = cf::lock_acquire "exit_prepare:$exit";
		2842
1863	prepare_random_map $exit	2843	prepare_random_map $exit
1864	if $exit->slaying eq "/!";	2844	if $exit->slaying eq "/!";
		2845	}
1865		2846
1866	my $path = new_from_path cf::map $exit->slaying, $exit->map && $exit->map->path;	2847	my $map = cf::map::normalise $exit->slaying, $exit->map && $exit->map->path;
1867	$self->goto ($path, $exit->stats->hp, $exit->stats->sp);	2848	my $x = $exit->stats->hp;
		2849	my $y = $exit->stats->sp;
1868		2850
		2851	$self->goto ($map, $x, $y);
		2852
		2853	# if exit is damned, update players death & WoR home-position
		2854	$self->contr->savebed ($map, $x, $y)
		2855	if $exit->flag (cf::FLAG_DAMNED);
		2856
1869	1;	2857	1
1870	}) {	2858	}) {
1871	$self->message ("Something went wrong deep within the crossfire server. "	2859	$self->message ("Something went wrong deep within the deliantra server. "
1872	. "I'll try to bring you back to the map you were before. "	2860	. "I'll try to bring you back to the map you were before. "
1873	. "Please report this to the dungeon master!",	2861	. "Please report this to the dungeon master!",
1874	cf::NDI_UNIQUE | cf::NDI_RED);	2862	cf::NDI_UNIQUE | cf::NDI_RED);
1875		2863
1876	warn "ERROR in enter_exit: $@";	2864	error "ERROR in enter_exit: $@";
1877	$self->leave_link;	2865	$self->leave_link;
1878	}	2866	}
1879	})->prio (1);	2867	})->prio (1);
1880	}	2868	}
1881		2869
…		…
1892		2880
1893	sub cf::client::send_drawinfo {	2881	sub cf::client::send_drawinfo {
1894	my ($self, $text, $flags) = @_;	2882	my ($self, $text, $flags) = @_;
1895		2883
1896	utf8::encode $text;	2884	utf8::encode $text;
1897	$self->send_packet (sprintf "drawinfo %d %s", $flags, $text);	2885	$self->send_packet (sprintf "drawinfo %d %s", $flags || cf::NDI_BLACK, $text);
1898	}	2886	}
1899		2887
		2888	=item $client->send_big_packet ($pkt)
		2889
		2890	Like C<send_packet>, but tries to compress large packets, and fragments
		2891	them as required.
		2892
		2893	=cut
		2894
		2895	our $MAXFRAGSIZE = cf::MAXSOCKBUF - 64;
		2896
		2897	sub cf::client::send_big_packet {
		2898	my ($self, $pkt) = @_;
		2899
		2900	# try lzf for large packets
		2901	$pkt = "lzf " . Compress::LZF::compress $pkt
		2902	if 1024 <= length $pkt and $self->{can_lzf};
		2903
		2904	# split very large packets
		2905	if ($MAXFRAGSIZE < length $pkt and $self->{can_lzf}) {
		2906	$self->send_packet ("frag $_") for unpack "(a$MAXFRAGSIZE)*", $pkt;
		2907	$pkt = "frag";
		2908	}
		2909
		2910	$self->send_packet ($pkt);
		2911	}
		2912
		2913	=item $client->send_msg ($channel, $msg, $color, [extra...])
		2914
		2915	Send a drawinfo or msg packet to the client, formatting the msg for the
		2916	client if neccessary. C<$type> should be a string identifying the type of
		2917	the message, with C<log> being the default. If C<$color> is negative, suppress
		2918	the message unless the client supports the msg packet.
		2919
		2920	=cut
		2921
		2922	# non-persistent channels (usually the info channel)
		2923	our %CHANNEL = (
		2924	"c/motd" => {
		2925	id => "infobox",
		2926	title => "MOTD",
		2927	reply => undef,
		2928	tooltip => "The message of the day",
		2929	},
		2930	"c/identify" => {
		2931	id => "infobox",
		2932	title => "Identify",
		2933	reply => undef,
		2934	tooltip => "Items recently identified",
		2935	},
		2936	"c/examine" => {
		2937	id => "infobox",
		2938	title => "Examine",
		2939	reply => undef,
		2940	tooltip => "Signs and other items you examined",
		2941	},
		2942	"c/shopinfo" => {
		2943	id => "infobox",
		2944	title => "Shop Info",
		2945	reply => undef,
		2946	tooltip => "What your bargaining skill tells you about the shop",
		2947	},
		2948	"c/book" => {
		2949	id => "infobox",
		2950	title => "Book",
		2951	reply => undef,
		2952	tooltip => "The contents of a note or book",
		2953	},
		2954	"c/lookat" => {
		2955	id => "infobox",
		2956	title => "Look",
		2957	reply => undef,
		2958	tooltip => "What you saw there",
		2959	},
		2960	"c/who" => {
		2961	id => "infobox",
		2962	title => "Players",
		2963	reply => undef,
		2964	tooltip => "Shows players who are currently online",
		2965	},
		2966	"c/body" => {
		2967	id => "infobox",
		2968	title => "Body Parts",
		2969	reply => undef,
		2970	tooltip => "Shows which body parts you posess and are available",
		2971	},
		2972	"c/statistics" => {
		2973	id => "infobox",
		2974	title => "Statistics",
		2975	reply => undef,
		2976	tooltip => "Shows your primary statistics",
		2977	},
		2978	"c/skills" => {
		2979	id => "infobox",
		2980	title => "Skills",
		2981	reply => undef,
		2982	tooltip => "Shows your experience per skill and item power",
		2983	},
		2984	"c/shopitems" => {
		2985	id => "infobox",
		2986	title => "Shop Items",
		2987	reply => undef,
		2988	tooltip => "Shows the items currently for sale in this shop",
		2989	},
		2990	"c/resistances" => {
		2991	id => "infobox",
		2992	title => "Resistances",
		2993	reply => undef,
		2994	tooltip => "Shows your resistances",
		2995	},
		2996	"c/pets" => {
		2997	id => "infobox",
		2998	title => "Pets",
		2999	reply => undef,
		3000	tooltip => "Shows information abotu your pets/a specific pet",
		3001	},
		3002	"c/perceiveself" => {
		3003	id => "infobox",
		3004	title => "Perceive Self",
		3005	reply => undef,
		3006	tooltip => "You gained detailed knowledge about yourself",
		3007	},
		3008	"c/uptime" => {
		3009	id => "infobox",
		3010	title => "Uptime",
		3011	reply => undef,
		3012	tooltip => "How long the server has been running since last restart",
		3013	},
		3014	"c/mapinfo" => {
		3015	id => "infobox",
		3016	title => "Map Info",
		3017	reply => undef,
		3018	tooltip => "Information related to the maps",
		3019	},
		3020	"c/party" => {
		3021	id => "party",
		3022	title => "Party",
		3023	reply => "gsay ",
		3024	tooltip => "Messages and chat related to your party",
		3025	},
		3026	"c/death" => {
		3027	id => "death",
		3028	title => "Death",
		3029	reply => undef,
		3030	tooltip => "Reason for and more info about your most recent death",
		3031	},
		3032	"c/say" => $SAY_CHANNEL,
		3033	"c/chat" => $CHAT_CHANNEL,
		3034	);
		3035
		3036	sub cf::client::send_msg {
		3037	my ($self, $channel, $msg, $color, @extra) = @_;
		3038
		3039	$msg = $self->pl->expand_cfpod ($msg)
		3040	unless $color & cf::NDI_VERBATIM;
		3041
		3042	$color &= cf::NDI_CLIENT_MASK; # just in case...
		3043
		3044	# check predefined channels, for the benefit of C
		3045	if ($CHANNEL{$channel}) {
		3046	$channel = $CHANNEL{$channel};
		3047
		3048	$self->ext_msg (channel_info => $channel);
		3049	$channel = $channel->{id};
		3050
		3051	} elsif (ref $channel) {
		3052	# send meta info to client, if not yet sent
		3053	unless (exists $self->{channel}{$channel->{id}}) {
		3054	$self->{channel}{$channel->{id}} = $channel;
		3055	$self->ext_msg (channel_info => $channel);
		3056	}
		3057
		3058	$channel = $channel->{id};
		3059	}
		3060
		3061	return unless @extra || length $msg;
		3062
		3063	# default colour, mask it out
		3064	$color &= ~(cf::NDI_COLOR_MASK | cf::NDI_DEF)
		3065	if $color & cf::NDI_DEF;
		3066
		3067	my $pkt = "msg "
		3068	. $self->{json_coder}->encode (
		3069	[$color & cf::NDI_CLIENT_MASK, $channel, $msg, @extra]
		3070	);
		3071
		3072	$self->send_big_packet ($pkt);
		3073	}
		3074
		3075	=item $client->ext_msg ($type, @msg)
		3076
		3077	Sends an ext event to the client.
		3078
		3079	=cut
		3080
		3081	sub cf::client::ext_msg($$@) {
		3082	my ($self, $type, @msg) = @_;
		3083
		3084	if ($self->extcmd == 2) {
		3085	$self->send_big_packet ("ext " . $self->{json_coder}->encode ([$type, @msg]));
		3086	} elsif ($self->extcmd == 1) { # TODO: remove
		3087	push @msg, msgtype => "event_$type";
		3088	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3089	}
		3090	}
		3091
		3092	=item $client->ext_reply ($msgid, @msg)
		3093
		3094	Sends an ext reply to the client.
		3095
		3096	=cut
		3097
		3098	sub cf::client::ext_reply($$@) {
		3099	my ($self, $id, @msg) = @_;
		3100
		3101	if ($self->extcmd == 2) {
		3102	$self->send_big_packet ("ext " . $self->{json_coder}->encode (["reply-$id", @msg]));
		3103	} elsif ($self->extcmd == 1) {
		3104	#TODO: version 1, remove
		3105	unshift @msg, msgtype => "reply", msgid => $id;
		3106	$self->send_big_packet ("ext " . $self->{json_coder}->encode ({@msg}));
		3107	}
		3108	}
1900		3109
1901	=item $success = $client->query ($flags, "text", \&cb)	3110	=item $success = $client->query ($flags, "text", \&cb)
1902		3111
1903	Queues a query to the client, calling the given callback with	3112	Queues a query to the client, calling the given callback with
1904	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,	3113	the reply text on a reply. flags can be C<cf::CS_QUERY_YESNO>,
1905	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.	3114	C<cf::CS_QUERY_SINGLECHAR> or C<cf::CS_QUERY_HIDEINPUT> or C<0>.
1906		3115
1907	Queries can fail, so check the return code. Or don't, as queries will become	3116	Queries can fail, so check the return code. Or don't, as queries will
1908	reliable at some point in the future.	3117	become reliable at some point in the future.
1909		3118
1910	=cut	3119	=cut
1911		3120
1912	sub cf::client::query {	3121	sub cf::client::query {
1913	my ($self, $flags, $text, $cb) = @_;	3122	my ($self, $flags, $text, $cb) = @_;
…		…
1921	utf8::encode $text;	3130	utf8::encode $text;
1922	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];	3131	push @{ $self->{query_queue} }, [(sprintf "query %d %s", $flags, $text), $cb];
1923		3132
1924	$self->send_packet ($self->{query_queue}[0][0])	3133	$self->send_packet ($self->{query_queue}[0][0])
1925	if @{ $self->{query_queue} } == 1;	3134	if @{ $self->{query_queue} } == 1;
		3135
		3136	1
1926	}	3137	}
1927		3138
1928	cf::client->attach (	3139	cf::client->attach (
		3140	on_connect => sub {
		3141	my ($ns) = @_;
		3142
		3143	$ns->{json_coder} = JSON::XS->new->utf8->max_size (1e6)->convert_blessed;
		3144	},
1929	on_reply => sub {	3145	on_reply => sub {
1930	my ($ns, $msg) = @_;	3146	my ($ns, $msg) = @_;
1931		3147
1932	# this weird shuffling is so that direct followup queries	3148	# this weird shuffling is so that direct followup queries
1933	# get handled first	3149	# get handled first
1934	my $queue = delete $ns->{query_queue}	3150	my $queue = delete $ns->{query_queue}
1935	or return; # be conservative, not sure how that can happen, but we saw a crash here	3151	or return; # be conservative, not sure how that can happen, but we saw a crash here
1936		3152
1937	(shift @$queue)->[1]->($msg);	3153	(shift @$queue)->[1]->($msg);
		3154	return unless $ns->valid; # temporary(?) workaround for callback destroying socket
1938		3155
1939	push @{ $ns->{query_queue} }, @$queue;	3156	push @{ $ns->{query_queue} }, @$queue;
1940		3157
1941	if (@{ $ns->{query_queue} } == @$queue) {	3158	if (@{ $ns->{query_queue} } == @$queue) {
1942	if (@$queue) {	3159	if (@$queue) {
…		…
1944	} else {	3161	} else {
1945	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;	3162	$ns->state (ST_PLAYING) if $ns->state == ST_CUSTOM;
1946	}	3163	}
1947	}	3164	}
1948	},	3165	},
		3166	on_exticmd => sub {
		3167	my ($ns, $buf) = @_;
		3168
		3169	my $msg = eval { $ns->{json_coder}->decode ($buf) };
		3170
		3171	if (ref $msg) {
		3172	my ($type, $reply, @payload) =
		3173	"ARRAY" eq ref $msg
		3174	? @$msg
		3175	: ($msg->{msgtype}, $msg->{msgid}, %$msg); # TODO: version 1, remove
		3176
		3177	my @reply;
		3178
		3179	if (my $cb = $EXTICMD{$type}) {
		3180	@reply = $cb->($ns, @payload);
		3181	}
		3182
		3183	$ns->ext_reply ($reply, @reply)
		3184	if $reply;
		3185
		3186	} else {
		3187	error "client " . ($ns->pl ? $ns->pl->ob->name : $ns->host) . " sent unparseable exti message: <$buf>\n";
		3188	}
		3189
		3190	cf::override;
		3191	},
1949	);	3192	);
1950		3193
1951	=item $client->async (\&cb)	3194	=item $client->async (\&cb)
1952		3195
1953	Create a new coroutine, running the specified callback. The coroutine will	3196	Create a new coroutine, running the specified callback. The coroutine will
…		…
1969		3212
1970	$coro	3213	$coro
1971	}	3214	}
1972		3215
1973	cf::client->attach (	3216	cf::client->attach (
1974	on_destroy => sub {	3217	on_client_destroy => sub {
1975	my ($ns) = @_;	3218	my ($ns) = @_;
1976		3219
1977	$_->cancel for values %{ (delete $ns->{_coro}) || {} };	3220	$_->cancel for values %{ (delete $ns->{_coro}) || {} };
1978	},	3221	},
1979	);	3222	);
…		…
1994	our $safe = new Safe "safe";	3237	our $safe = new Safe "safe";
1995	our $safe_hole = new Safe::Hole;	3238	our $safe_hole = new Safe::Hole;
1996		3239
1997	$SIG{FPE} = 'IGNORE';	3240	$SIG{FPE} = 'IGNORE';
1998		3241
1999	$safe->permit_only (Opcode::opset qw(:base_core :base_mem :base_orig :base_math sort time));	3242	$safe->permit_only (Opcode::opset qw(
		3243	:base_core :base_mem :base_orig :base_math :base_loop
		3244	grepstart grepwhile mapstart mapwhile
		3245	sort time
		3246	));
2000		3247
2001	# here we export the classes and methods available to script code	3248	# here we export the classes and methods available to script code
2002		3249
2003	=pod	3250	=pod
2004		3251
2005	The following fucntions and emthods are available within a safe environment:	3252	The following functions and methods are available within a safe environment:
2006		3253
2007	cf::object contr pay_amount pay_player map	3254	cf::object
		3255	contr pay_amount pay_player map x y force_find force_add destroy
		3256	insert remove name archname title slaying race decrease split
		3257	value
		3258
2008	cf::object::player player	3259	cf::object::player
2009	cf::player peaceful	3260	player
2010	cf::map trigger	3261
		3262	cf::player
		3263	peaceful
		3264
		3265	cf::map
		3266	trigger
2011		3267
2012	=cut	3268	=cut
2013		3269
2014	for (	3270	for (
2015	["cf::object" => qw(contr pay_amount pay_player map)],	3271	["cf::object" => qw(contr pay_amount pay_player map force_find force_add x y
		3272	insert remove inv nrof name archname title slaying race
		3273	decrease split destroy change_exp value msg lore send_msg)],
2016	["cf::object::player" => qw(player)],	3274	["cf::object::player" => qw(player)],
2017	["cf::player" => qw(peaceful)],	3275	["cf::player" => qw(peaceful send_msg)],
2018	["cf::map" => qw(trigger)],	3276	["cf::map" => qw(trigger)],
2019	) {	3277	) {
2020	no strict 'refs';	3278	no strict 'refs';
2021	my ($pkg, @funs) = @$_;	3279	my ($pkg, @funs) = @$_;
2022	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})	3280	*{"safe::$pkg\::$_"} = $safe_hole->wrap (\&{"$pkg\::$_"})
…		…
2040		3298
2041	my $qcode = $code;	3299	my $qcode = $code;
2042	$qcode =~ s/"/‟/g; # not allowed in #line filenames	3300	$qcode =~ s/"/‟/g; # not allowed in #line filenames
2043	$qcode =~ s/\n/\\n/g;	3301	$qcode =~ s/\n/\\n/g;
2044		3302
		3303	%vars = (_dummy => 0) unless %vars;
		3304
		3305	my @res;
2045	local $_;	3306	local $_;
2046	local @safe::cf::_safe_eval_args = values %vars;
2047		3307
2048	my $eval =	3308	my $eval =
2049	"do {\n"	3309	"do {\n"
2050	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"	3310	. "my (" . (join ",", map "\$$_", keys %vars) . ") = \@cf::_safe_eval_args;\n"
2051	. "#line 0 \"{$qcode}\"\n"	3311	. "#line 0 \"{$qcode}\"\n"
2052	. $code	3312	. $code
2053	. "\n}"	3313	. "\n}"
2054	;	3314	;
2055		3315
		3316	if ($CFG{safe_eval}) {
2056	sub_generation_inc;	3317	sub_generation_inc;
		3318	local @safe::cf::_safe_eval_args = values %vars;
2057	my @res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);	3319	@res = wantarray ? $safe->reval ($eval) : scalar $safe->reval ($eval);
2058	sub_generation_inc;	3320	sub_generation_inc;
		3321	} else {
		3322	local @cf::_safe_eval_args = values %vars;
		3323	@res = wantarray ? eval eval : scalar eval $eval;
		3324	}
2059		3325
2060	if ($@) {	3326	if ($@) {
2061	warn "$@";	3327	warn "$@",
2062	warn "while executing safe code '$code'\n";	3328	"while executing safe code '$code'\n",
2063	warn "with arguments " . (join " ", %vars) . "\n";	3329	"with arguments " . (join " ", %vars) . "\n";
2064	}	3330	}
2065		3331
2066	wantarray ? @res : $res[0]	3332	wantarray ? @res : $res[0]
2067	}	3333	}
2068		3334
…		…
2082	=cut	3348	=cut
2083		3349
2084	sub register_script_function {	3350	sub register_script_function {
2085	my ($fun, $cb) = @_;	3351	my ($fun, $cb) = @_;
2086		3352
2087	no strict 'refs';	3353	$fun = "safe::$fun" if $CFG{safe_eval};
2088	*{"safe::$fun"} = $safe_hole->wrap ($cb);	3354	*$fun = $safe_hole->wrap ($cb);
2089	}	3355	}
2090		3356
2091	=back	3357	=back
2092		3358
2093	=cut	3359	=cut
2094		3360
2095	#############################################################################	3361	#############################################################################
		3362	# the server's init and main functions
2096		3363
2097	=head2 EXTENSION DATABASE SUPPORT	3364	sub load_facedata($) {
		3365	my ($path) = @_;
2098		3366
2099	Crossfire maintains a very simple database for extension use. It can	3367	# HACK to clear player env face cache, we need some signal framework
2100	currently store anything that can be serialised using Storable, which	3368	# for this (global event?)
2101	excludes objects.	3369	%ext::player_env::MUSIC_FACE_CACHE = ();
2102		3370
2103	The parameter C<$family> should best start with the name of the extension	3371	my $enc = JSON::XS->new->utf8->canonical->relaxed;
2104	using it, it should be unique.
2105		3372
2106	=over 4	3373	trace "loading facedata from $path\n";
2107		3374
2108	=item $hashref = cf::db_get $family	3375	my $facedata;
		3376	0 < aio_load $path, $facedata
		3377	or die "$path: $!";
2109		3378
2110	Return a hashref for use by the extension C<$family>, which can be	3379	$facedata = Coro::Storable::thaw $facedata;
2111	modified. After modifications, you have to call C<cf::db_dirty> or
2112	C<cf::db_sync>.
2113		3380
2114	=item $value = cf::db_get $family => $key	3381	$facedata->{version} == 2
		3382	or cf::cleanup "$path: version mismatch, cannot proceed.";
2115		3383
2116	Returns a single value from the database	3384	# patch in the exptable
2117		3385	my $exp_table = $enc->encode ([map cf::level_to_min_exp $_, 1 .. cf::settings->max_level]);
2118	=item cf::db_put $family => $hashref	3386	$facedata->{resource}{"res/exp_table"} = {
2119		3387	type => FT_RSRC,
2120	Stores the given family hashref into the database. Updates are delayed, if	3388	data => $exp_table,
2121	you want the data to be synced to disk immediately, use C<cf::db_sync>.	3389	hash => (Digest::MD5::md5 $exp_table),
2122
2123	=item cf::db_put $family => $key => $value
2124
2125	Stores the given C<$value> in the family hash. Updates are delayed, if you
2126	want the data to be synced to disk immediately, use C<cf::db_sync>.
2127
2128	=item cf::db_dirty
2129
2130	Marks the database as dirty, to be updated at a later time.
2131
2132	=item cf::db_sync
2133
2134	Immediately write the database to disk I<if it is dirty>.
2135
2136	=cut
2137
2138	our $DB;
2139
2140	{
2141	my $path = cf::localdir . "/database.pst";
2142
2143	sub db_load() {
2144	$DB = stat $path ? Storable::retrieve $path : { };
2145	}
2146
2147	my $pid;
2148
2149	sub db_save() {
2150	waitpid $pid, 0 if $pid;
2151	if (0 == ($pid = fork)) {
2152	$DB->{_meta}{version} = 1;
2153	Storable::nstore $DB, "$path~";
2154	rename "$path~", $path;
2155	cf::_exit 0 if defined $pid;
2156	}
2157	}
2158
2159	my $dirty;
2160
2161	sub db_sync() {
2162	db_save if $dirty;
2163	undef $dirty;
2164	}
2165
2166	my $idle = Event->idle (min => $TICK * 2.8, max => 10, repeat => 0, data => WF_AUTOCANCEL, cb => sub {
2167	db_sync;
2168	});	3390	};
		3391	cf::cede_to_tick;
2169		3392
2170	sub db_dirty() {
2171	$dirty = 1;
2172	$idle->start;
2173	}	3393	{
		3394	my $faces = $facedata->{faceinfo};
2174		3395
2175	sub db_get($;$) {	3396	while (my ($face, $info) = each %$faces) {
2176	@_ >= 2	3397	my $idx = (cf::face::find $face) || cf::face::alloc $face;
2177	? $DB->{$_[0]}{$_[1]}
2178	: ($DB->{$_[0]} ||= { })
2179	}
2180		3398
2181	sub db_put($$;$) {	3399	cf::face::set_visibility $idx, $info->{visibility};
2182	if (@_ >= 3) {	3400	cf::face::set_magicmap $idx, $info->{magicmap};
2183	$DB->{$_[0]}{$_[1]} = $_[2];	3401	cf::face::set_data $idx, 0, $info->{data32}, $info->{hash32};
2184	} else {	3402	cf::face::set_data $idx, 1, $info->{data64}, $info->{hash64};
2185	$DB->{$_[0]} = $_[1];
2186	}
2187	db_dirty;
2188	}
2189		3403
2190	cf::global->attach (	3404	cf::cede_to_tick;
2191	prio => 10000,
2192	on_cleanup => sub {
2193	db_sync;
2194	},	3405	}
2195	);
2196	}
2197		3406
2198	#############################################################################	3407	while (my ($face, $info) = each %$faces) {
2199	# the server's main()	3408	next unless $info->{smooth};
2200		3409
2201	sub cfg_load {	3410	my $idx = cf::face::find $face
		3411	or next;
		3412
		3413	if (my $smooth = cf::face::find $info->{smooth}) {
		3414	cf::face::set_smooth $idx, $smooth;
		3415	cf::face::set_smoothlevel $idx, $info->{smoothlevel};
		3416	} else {
		3417	error "smooth face '$info->{smooth}' not found for face '$face'";
		3418	}
		3419
		3420	cf::cede_to_tick;
		3421	}
		3422	}
		3423
		3424	{
		3425	my $anims = $facedata->{animinfo};
		3426
		3427	while (my ($anim, $info) = each %$anims) {
		3428	cf::anim::set $anim, $info->{frames}, $info->{facings};
		3429	cf::cede_to_tick;
		3430	}
		3431
		3432	cf::anim::invalidate_all; # d'oh
		3433	}
		3434
		3435	{
		3436	my $res = $facedata->{resource};
		3437
		3438	while (my ($name, $info) = each %$res) {
		3439	if (defined $info->{type}) {
		3440	my $idx = (cf::face::find $name) || cf::face::alloc $name;
		3441
		3442	cf::face::set_data $idx, 0, $info->{data}, $info->{hash};
		3443	cf::face::set_type $idx, $info->{type};
		3444	} else {
		3445	$RESOURCE{$name} = $info; # unused
		3446	}
		3447
		3448	cf::cede_to_tick;
		3449	}
		3450	}
		3451
		3452	cf::global->invoke (EVENT_GLOBAL_RESOURCE_UPDATE);
		3453
		3454	1
		3455	}
		3456
		3457	register_exticmd fx_want => sub {
		3458	my ($ns, $want) = @_;
		3459
		3460	while (my ($k, $v) = each %$want) {
		3461	$ns->fx_want ($k, $v);
		3462	}
		3463	};
		3464
		3465	sub load_resource_file($) {
		3466	my $guard = lock_acquire "load_resource_file";
		3467
		3468	my $status = load_resource_file_ $_[0];
		3469	get_slot 0.1, 100;
		3470	cf::arch::commit_load;
		3471
		3472	$status
		3473	}
		3474
		3475	sub reload_regions {
		3476	# HACK to clear player env face cache, we need some signal framework
		3477	# for this (global event?)
		3478	%ext::player_env::MUSIC_FACE_CACHE = ();
		3479
		3480	load_resource_file "$MAPDIR/regions"
		3481	or die "unable to load regions file\n";
		3482
		3483	for (cf::region::list) {
		3484	$_->{match} = qr/$_->{match}/
		3485	if exists $_->{match};
		3486	}
		3487	}
		3488
		3489	sub reload_facedata {
		3490	load_facedata "$DATADIR/facedata"
		3491	or die "unable to load facedata\n";
		3492	}
		3493
		3494	sub reload_archetypes {
		3495	load_resource_file "$DATADIR/archetypes"
		3496	or die "unable to load archetypes\n";
		3497	}
		3498
		3499	sub reload_treasures {
		3500	load_resource_file "$DATADIR/treasures"
		3501	or die "unable to load treasurelists\n";
		3502	}
		3503
		3504	sub reload_sound {
		3505	trace "loading sound config from $DATADIR/sound\n";
		3506
		3507	0 < Coro::AIO::aio_load "$DATADIR/sound", my $data
		3508	or die "$DATADIR/sound $!";
		3509
		3510	my $soundconf = JSON::XS->new->utf8->relaxed->decode ($data);
		3511
		3512	for (0 .. SOUND_CAST_SPELL_0 - 1) {
		3513	my $sound = $soundconf->{compat}[$_]
		3514	or next;
		3515
		3516	my $face = cf::face::find "sound/$sound->[1]";
		3517	cf::sound::set $sound->[0] => $face;
		3518	cf::sound::old_sound_index $_, $face; # gcfclient-compat
		3519	}
		3520
		3521	while (my ($k, $v) = each %{$soundconf->{event}}) {
		3522	my $face = cf::face::find "sound/$v";
		3523	cf::sound::set $k => $face;
		3524	}
		3525	}
		3526
		3527	sub reload_resources {
		3528	trace "reloading resource files...\n";
		3529
		3530	reload_facedata;
		3531	reload_sound;
		3532	reload_archetypes;
		3533	reload_regions;
		3534	reload_treasures;
		3535
		3536	trace "finished reloading resource files\n";
		3537	}
		3538
		3539	sub reload_config {
		3540	trace "reloading config file...\n";
		3541
2202	open my $fh, "<:utf8", cf::confdir . "/config"	3542	open my $fh, "<:utf8", "$CONFDIR/config"
2203	or return;	3543	or return;
2204		3544
2205	local $/;	3545	local $/;
2206	*CFG = YAML::Syck::Load <$fh>;	3546	*CFG = YAML::XS::Load scalar <$fh>;
2207		3547
2208	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_105_115", 5, 37];	3548	$EMERGENCY_POSITION = $CFG{emergency_position} || ["/world/world_104_115", 49, 38];
2209		3549
2210	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};	3550	$cf::map::MAX_RESET = $CFG{map_max_reset} if exists $CFG{map_max_reset};
2211	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};	3551	$cf::map::DEFAULT_RESET = $CFG{map_default_reset} if exists $CFG{map_default_reset};
2212		3552
2213	if (exists $CFG{mlockall}) {	3553	if (exists $CFG{mlockall}) {
…		…
2215	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"	3555	$CFG{mlockall} ? eval "mlockall()" : eval "munlockall()"
2216	and die "WARNING: m(un)lockall failed: $!\n";	3556	and die "WARNING: m(un)lockall failed: $!\n";
2217	};	3557	};
2218	warn $@ if $@;	3558	warn $@ if $@;
2219	}	3559	}
		3560
		3561	trace "finished reloading resource files\n";
		3562	}
		3563
		3564	sub pidfile() {
		3565	sysopen my $fh, $PIDFILE, O_RDWR | O_CREAT
		3566	or die "$PIDFILE: $!";
		3567	flock $fh, &Fcntl::LOCK_EX
		3568	or die "$PIDFILE: flock: $!";
		3569	$fh
		3570	}
		3571
		3572	# make sure only one server instance is running at any one time
		3573	sub atomic {
		3574	my $fh = pidfile;
		3575
		3576	my $pid = <$fh>;
		3577	kill 9, $pid if $pid > 0;
		3578
		3579	seek $fh, 0, 0;
		3580	print $fh $$;
		3581	}
		3582
		3583	sub main_loop {
		3584	trace "EV::loop starting\n";
		3585	if (1) {
		3586	EV::loop;
		3587	}
		3588	trace "EV::loop returned\n";
		3589	goto &main_loop unless $REALLY_UNLOOP;
2220	}	3590	}
2221		3591
2222	sub main {	3592	sub main {
		3593	cf::init_globals; # initialise logging
		3594
		3595	LOG llevInfo, "Welcome to Deliantra, v" . VERSION;
		3596	LOG llevInfo, "Copyright (C) 2005-2008 Marc Alexander Lehmann / Robin Redeker / the Deliantra team.";
		3597	LOG llevInfo, "Copyright (C) 1994 Mark Wedel.";
		3598	LOG llevInfo, "Copyright (C) 1992 Frank Tore Johansen.";
		3599
		3600	$Coro::current->prio (Coro::PRIO_MAX); # give the main loop max. priority
		3601
2223	# we must not ever block the main coroutine	3602	# we must not ever block the main coroutine
2224	local $Coro::idle = sub {	3603	local $Coro::idle = sub {
2225	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#	3604	Carp::cluck "FATAL: Coro::idle was called, major BUG, use cf::sync_job!\n";#d#
2226	async { Event::one_event };	3605	(async {
		3606	$Coro::current->{desc} = "IDLE BUG HANDLER";
		3607	EV::loop EV::LOOP_ONESHOT;
		3608	})->prio (Coro::PRIO_MAX);
2227	};	3609	};
2228		3610
2229	cfg_load;	3611	evthread_start IO::AIO::poll_fileno;
2230	db_load;	3612
		3613	cf::sync_job {
		3614	cf::init_experience;
		3615	cf::init_anim;
		3616	cf::init_attackmess;
		3617	cf::init_dynamic;
		3618
		3619	cf::load_settings;
		3620	cf::load_materials;
		3621
		3622	reload_resources;
		3623	reload_config;
		3624	db_init;
		3625
		3626	cf::init_uuid;
		3627	cf::init_signals;
		3628	cf::init_skills;
		3629
		3630	cf::init_beforeplay;
		3631
		3632	atomic;
		3633
2231	load_extensions;	3634	load_extensions;
2232	Event::loop;	3635
		3636	utime time, time, $RUNTIMEFILE;
		3637
		3638	# no (long-running) fork's whatsoever before this point(!)
		3639	use POSIX ();
		3640	POSIX::close delete $ENV{LOCKUTIL_LOCK_FD} if exists $ENV{LOCKUTIL_LOCK_FD};
		3641
		3642	(pop @POST_INIT)->(0) while @POST_INIT;
		3643	};
		3644
		3645	cf::object::thawer::errors_are_fatal 0;
		3646	info "parse errors in files are no longer fatal from this point on.\n";
		3647
		3648	main_loop;
2233	}	3649	}
2234		3650
2235	#############################################################################	3651	#############################################################################
2236	# initialisation and cleanup	3652	# initialisation and cleanup
2237		3653
2238	# install some emergency cleanup handlers	3654	# install some emergency cleanup handlers
2239	BEGIN {	3655	BEGIN {
		3656	our %SIGWATCHER = ();
2240	for my $signal (qw(INT HUP TERM)) {	3657	for my $signal (qw(INT HUP TERM)) {
2241	Event->signal (	3658	$SIGWATCHER{$signal} = AE::signal $signal, sub {
2242	data => WF_AUTOCANCEL,
2243	signal => $signal,
2244	cb => sub {
2245	cf::cleanup "SIG$signal";	3659	cf::cleanup "SIG$signal";
2246	},
2247	);	3660	};
		3661	}
		3662	}
		3663
		3664	sub write_runtime_sync {
		3665	my $t0 = AE::time;
		3666
		3667	# first touch the runtime file to show we are still running:
		3668	# the fsync below can take a very very long time.
		3669
		3670	IO::AIO::aio_utime $RUNTIMEFILE, undef, undef;
		3671
		3672	my $guard = cf::lock_acquire "write_runtime";
		3673
		3674	my $fh = aio_open "$RUNTIMEFILE~", O_WRONLY | O_CREAT | O_TRUNC, 0644
		3675	or return;
		3676
		3677	my $value = $cf::RUNTIME + 90 + 10;
		3678	# 10 is the runtime save interval, for a monotonic clock
		3679	# 60 allows for the watchdog to kill the server.
		3680
		3681	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3682	and return;
		3683
		3684	# always fsync - this file is important
		3685	aio_fsync $fh
		3686	and return;
		3687
		3688	# touch it again to show we are up-to-date
		3689	aio_utime $fh, undef, undef;
		3690
		3691	close $fh
		3692	or return;
		3693
		3694	aio_rename "$RUNTIMEFILE~", $RUNTIMEFILE
		3695	and return;
		3696
		3697	trace sprintf "runtime file written (%gs).\n", AE::time - $t0;
		3698
2248	}	3699	1
		3700	}
		3701
		3702	our $uuid_lock;
		3703	our $uuid_skip;
		3704
		3705	sub write_uuid_sync($) {
		3706	$uuid_skip ||= $_[0];
		3707
		3708	return if $uuid_lock;
		3709	local $uuid_lock = 1;
		3710
		3711	my $uuid = "$LOCALDIR/uuid";
		3712
		3713	my $fh = aio_open "$uuid~", O_WRONLY | O_CREAT, 0644
		3714	or return;
		3715
		3716	my $value = uuid_seq uuid_cur;
		3717
		3718	unless ($value) {
		3719	info "cowardly refusing to write zero uuid value!\n";
		3720	return;
		3721	}
		3722
		3723	my $value = uuid_str $value + $uuid_skip;
		3724	$uuid_skip = 0;
		3725
		3726	(aio_write $fh, 0, (length $value), $value, 0) <= 0
		3727	and return;
		3728
		3729	# always fsync - this file is important
		3730	aio_fsync $fh
		3731	and return;
		3732
		3733	close $fh
		3734	or return;
		3735
		3736	aio_rename "$uuid~", $uuid
		3737	and return;
		3738
		3739	trace "uuid file written ($value).\n";
		3740
		3741	1
		3742
		3743	}
		3744
		3745	sub write_uuid($$) {
		3746	my ($skip, $sync) = @_;
		3747
		3748	$sync ? write_uuid_sync $skip
		3749	: async { write_uuid_sync $skip };
2249	}	3750	}
2250		3751
2251	sub emergency_save() {	3752	sub emergency_save() {
2252	my $freeze_guard = cf::freeze_mainloop;	3753	my $freeze_guard = cf::freeze_mainloop;
2253		3754
2254	warn "enter emergency perl save\n";	3755	info "emergency_perl_save: enter\n";
		3756
		3757	# this is a trade-off: we want to be very quick here, so
		3758	# save all maps without fsync, and later call a global sync
		3759	# (which in turn might be very very slow)
		3760	local $USE_FSYNC = 0;
2255		3761
2256	cf::sync_job {	3762	cf::sync_job {
		3763	cf::write_runtime_sync; # external watchdog should not bark
		3764
2257	# use a peculiar iteration method to avoid tripping on perl	3765	# use a peculiar iteration method to avoid tripping on perl
2258	# refcount bugs in for. also avoids problems with players	3766	# refcount bugs in for. also avoids problems with players
2259	# and maps saved/Destroyed asynchronously.	3767	# and maps saved/destroyed asynchronously.
2260	warn "begin emergency player save\n";	3768	info "emergency_perl_save: begin player save\n";
2261	for my $login (keys %cf::PLAYER) {	3769	for my $login (keys %cf::PLAYER) {
2262	my $pl = $cf::PLAYER{$login} or next;	3770	my $pl = $cf::PLAYER{$login} or next;
2263	$pl->valid or next;	3771	$pl->valid or next;
		3772	delete $pl->{unclean_save}; # not strictly necessary, but cannot hurt
2264	$pl->save;	3773	$pl->save;
2265	}	3774	}
2266	warn "end emergency player save\n";	3775	info "emergency_perl_save: end player save\n";
2267		3776
2268	warn "begin emergency map save\n";	3777	cf::write_runtime_sync; # external watchdog should not bark
		3778
		3779	info "emergency_perl_save: begin map save\n";
2269	for my $path (keys %cf::MAP) {	3780	for my $path (keys %cf::MAP) {
2270	my $map = $cf::MAP{$path} or next;	3781	my $map = $cf::MAP{$path} or next;
2271	$map->valid or next;	3782	$map->valid or next;
2272	$map->save;	3783	$map->save;
2273	}	3784	}
2274	warn "end emergency map save\n";	3785	info "emergency_perl_save: end map save\n";
		3786
		3787	cf::write_runtime_sync; # external watchdog should not bark
		3788
		3789	info "emergency_perl_save: begin database checkpoint\n";
		3790	BDB::db_env_txn_checkpoint $DB_ENV;
		3791	info "emergency_perl_save: end database checkpoint\n";
		3792
		3793	info "emergency_perl_save: begin write uuid\n";
		3794	write_uuid_sync 1;
		3795	info "emergency_perl_save: end write uuid\n";
		3796
		3797	cf::write_runtime_sync; # external watchdog should not bark
		3798
		3799	trace "emergency_perl_save: syncing database to disk";
		3800	BDB::db_env_txn_checkpoint $DB_ENV;
		3801
		3802	info "emergency_perl_save: starting sync\n";
		3803	IO::AIO::aio_sync sub {
		3804	info "emergency_perl_save: finished sync\n";
		3805	};
		3806
		3807	cf::write_runtime_sync; # external watchdog should not bark
		3808
		3809	trace "emergency_perl_save: flushing outstanding aio requests";
		3810	while (IO::AIO::nreqs || BDB::nreqs) {
		3811	Coro::EV::timer_once 0.01; # let the sync_job do it's thing
		3812	}
		3813
		3814	cf::write_runtime_sync; # external watchdog should not bark
2275	};	3815	};
2276		3816
2277	warn "leave emergency perl save\n";	3817	info "emergency_perl_save: leave\n";
2278	}	3818	}
2279		3819
		3820	sub post_cleanup {
		3821	my ($make_core) = @_;
		3822
		3823	IO::AIO::flush;
		3824
		3825	error Carp::longmess "post_cleanup backtrace"
		3826	if $make_core;
		3827
		3828	my $fh = pidfile;
		3829	unlink $PIDFILE if <$fh> == $$;
		3830	}
		3831
		3832	# a safer delete_package, copied from Symbol
		3833	sub clear_package($) {
		3834	my $pkg = shift;
		3835
		3836	# expand to full symbol table name if needed
		3837	unless ($pkg =~ /^main::.*::$/) {
		3838	$pkg = "main$pkg" if $pkg =~ /^::/;
		3839	$pkg = "main::$pkg" unless $pkg =~ /^main::/;
		3840	$pkg .= '::' unless $pkg =~ /::$/;
		3841	}
		3842
		3843	my($stem, $leaf) = $pkg =~ m/(.*::)(\w+::)$/;
		3844	my $stem_symtab = *{$stem}{HASH};
		3845
		3846	defined $stem_symtab and exists $stem_symtab->{$leaf}
		3847	or return;
		3848
		3849	# clear all symbols
		3850	my $leaf_symtab = *{$stem_symtab->{$leaf}}{HASH};
		3851	for my $name (keys %$leaf_symtab) {
		3852	_gv_clear *{"$pkg$name"};
		3853	# use PApp::Util; PApp::Util::sv_dump *{"$pkg$name"};
		3854	}
		3855	}
		3856
2280	sub reload() {	3857	sub do_reload_perl() {
2281	# can/must only be called in main	3858	# can/must only be called in main
2282	if ($Coro::current != $Coro::main) {	3859	if (in_main) {
2283	warn "can only reload from main coroutine\n";	3860	error "can only reload from main coroutine";
2284	return;	3861	return;
2285	}	3862	}
2286		3863
		3864	return if $RELOAD++;
		3865
		3866	my $t1 = AE::time;
		3867
		3868	while ($RELOAD) {
2287	warn "reloading...";	3869	info "reloading...";
2288		3870
2289	warn "freezing server";	3871	trace "entering sync_job";
2290	my $guard = freeze_mainloop;	3872
		3873	cf::sync_job {
2291	cf::emergency_save;	3874	cf::emergency_save;
2292		3875
2293	warn "sync database to disk";
2294	cf::db_sync;
2295	IO::AIO::flush;
2296
2297	eval {
2298	# if anything goes wrong in here, we should simply crash as we already saved
2299
2300	warn "cancel all watchers";
2301	for (Event::all_watchers) {
2302	$_->cancel if $_->data & WF_AUTOCANCEL;
2303	}
2304
2305	warn "cancel all extension coros";	3876	trace "cancelling all extension coros";
2306	$_->cancel for values %EXT_CORO;	3877	$_->cancel for values %EXT_CORO;
2307	%EXT_CORO = ();	3878	%EXT_CORO = ();
2308		3879
2309	warn "remove commands";	3880	trace "removing commands";
2310	%COMMAND = ();	3881	%COMMAND = ();
2311		3882
2312	warn "remove ext commands";	3883	trace "removing ext/exti commands";
2313	%EXTCMD = ();	3884	%EXTCMD = ();
		3885	%EXTICMD = ();
2314		3886
2315	warn "unload/nuke all extensions";	3887	trace "unloading/nuking all extensions";
2316	for my $pkg (@EXTS) {	3888	for my $pkg (@EXTS) {
2317	warn "... unloading $pkg";	3889	trace "... unloading $pkg";
2318		3890
2319	if (my $cb = $pkg->can ("unload")) {	3891	if (my $cb = $pkg->can ("unload")) {
2320	eval {	3892	eval {
2321	$cb->($pkg);	3893	$cb->($pkg);
2322	1	3894	1
2323	} or warn "$pkg unloaded, but with errors: $@";	3895	} or error "$pkg unloaded, but with errors: $@";
		3896	}
		3897
		3898	trace "... clearing $pkg";
		3899	clear_package $pkg;
2324	}	3900	}
2325		3901
2326	warn "... nuking $pkg";
2327	Symbol::delete_package $pkg;
2328	}
2329
2330	warn "unload all perl modules loaded from $LIBDIR";	3902	trace "unloading all perl modules loaded from $LIBDIR";
2331	while (my ($k, $v) = each %INC) {	3903	while (my ($k, $v) = each %INC) {
2332	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;	3904	next unless $v =~ /^\Q$LIBDIR\E\/.*\.pm$/;
2333		3905
2334	warn "removing <$k>";	3906	trace "... unloading $k";
2335	delete $INC{$k};	3907	delete $INC{$k};
2336		3908
2337	$k =~ s/\.pm$//;	3909	$k =~ s/\.pm$//;
2338	$k =~ s/\//::/g;	3910	$k =~ s/\//::/g;
2339		3911
2340	if (my $cb = $k->can ("unload_module")) {	3912	if (my $cb = $k->can ("unload_module")) {
2341	$cb->();	3913	$cb->();
		3914	}
		3915
		3916	clear_package $k;
2342	}	3917	}
2343		3918
2344	Symbol::delete_package $k;
2345	}
2346
2347	warn "get rid of safe::, as good as possible";	3919	trace "getting rid of safe::, as good as possible";
2348	Symbol::delete_package "safe::$_"	3920	clear_package "safe::$_"
2349	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);	3921	for qw(cf::attachable cf::object cf::object::player cf::client cf::player cf::map cf::party cf::region);
2350		3922
2351	warn "unload cf.pm \"a bit\"";	3923	trace "unloading cf.pm \"a bit\"";
2352	delete $INC{"cf.pm"};	3924	delete $INC{"cf.pm"};
		3925	delete $INC{"cf/$_.pm"} for @EXTRA_MODULES;
2353		3926
2354	# don't, removes xs symbols, too,	3927	# don't, removes xs symbols, too,
2355	# and global variables created in xs	3928	# and global variables created in xs
2356	#Symbol::delete_package __PACKAGE__;	3929	#clear_package __PACKAGE__;
2357		3930
		3931	info "unload completed, starting to reload now";
		3932
2358	warn "reloading cf.pm";	3933	trace "reloading cf.pm";
2359	require cf;	3934	require cf;
2360	cf::_connect_to_perl; # nominally unnecessary, but cannot hurt	3935	cf::_connect_to_perl_1;
2361		3936
2362	warn "load config and database again";	3937	trace "loading config and database again";
2363	cf::cfg_load;	3938	cf::reload_config;
2364	cf::db_load;
2365		3939
2366	warn "load extensions";	3940	trace "loading extensions";
2367	cf::load_extensions;	3941	cf::load_extensions;
2368		3942
		3943	if ($REATTACH_ON_RELOAD) {
2369	warn "reattach attachments to objects/players";	3944	trace "reattaching attachments to objects/players";
2370	_global_reattach;	3945	_global_reattach; # objects, sockets
2371	warn "reattach attachments to maps";	3946	trace "reattaching attachments to maps";
2372	reattach $_ for values %MAP;	3947	reattach $_ for values %MAP;
		3948	trace "reattaching attachments to players";
		3949	reattach $_ for values %PLAYER;
		3950	}
		3951
		3952	trace "running post_init jobs";
		3953	(pop @POST_INIT)->(1) while @POST_INIT;
		3954
		3955	trace "leaving sync_job";
		3956
		3957	1
		3958	} or do {
		3959	error $@;
		3960	cf::cleanup "error while reloading, exiting.";
		3961	};
		3962
		3963	info "reloaded";
		3964	--$RELOAD;
		3965	}
		3966
		3967	$t1 = AE::time - $t1;
		3968	info "reload completed in ${t1}s\n";
		3969	};
		3970
		3971	our $RELOAD_WATCHER; # used only during reload
		3972
		3973	sub reload_perl() {
		3974	# doing reload synchronously and two reloads happen back-to-back,
		3975	# coro crashes during coro_state_free->destroy here.
		3976
		3977	$RELOAD_WATCHER ||= cf::async {
		3978	Coro::AIO::aio_wait cache_extensions;
		3979
		3980	$RELOAD_WATCHER = AE::timer $TICK * 1.5, 0, sub {
		3981	do_reload_perl;
		3982	undef $RELOAD_WATCHER;
		3983	};
2373	};	3984	};
2374		3985	}
2375	if ($@) {
2376	warn $@;
2377	warn "error while reloading, exiting.";
2378	exit 1;
2379	}
2380
2381	warn "reloaded";
2382	};
2383		3986
2384	register_command "reload" => sub {	3987	register_command "reload" => sub {
2385	my ($who, $arg) = @_;	3988	my ($who, $arg) = @_;
2386		3989
2387	if ($who->flag (FLAG_WIZ)) {	3990	if ($who->flag (FLAG_WIZ)) {
2388	$who->message ("start of reload.");
2389	reload;
2390	$who->message ("end of reload.");	3991	$who->message ("reloading server.");
		3992	async {
		3993	$Coro::current->{desc} = "perl_reload";
		3994	reload_perl;
		3995	};
2391	}	3996	}
2392	};	3997	};
2393		3998
2394	unshift @INC, $LIBDIR;	3999	unshift @INC, $LIBDIR;
2395		4000
2396	$TICK_WATCHER = Event->timer (	4001	my $bug_warning = 0;
2397	reentrant => 0,
2398	prio => 0,
2399	at => $NEXT_TICK || $TICK,
2400	data => WF_AUTOCANCEL,
2401	cb => sub {
2402	$NOW = Event::time;
2403		4002
		4003	our @WAIT_FOR_TICK;
		4004	our @WAIT_FOR_TICK_BEGIN;
		4005
		4006	sub wait_for_tick {
		4007	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4008
		4009	my $signal = new Coro::Signal;
		4010	push @WAIT_FOR_TICK, $signal;
		4011	$signal->wait;
		4012	}
		4013
		4014	sub wait_for_tick_begin {
		4015	return Coro::cede if tick_inhibit || $Coro::current == $Coro::main;
		4016
		4017	my $signal = new Coro::Signal;
		4018	push @WAIT_FOR_TICK_BEGIN, $signal;
		4019	$signal->wait;
		4020	}
		4021
		4022	sub tick {
		4023	if ($Coro::current != $Coro::main) {
		4024	Carp::cluck "major BUG: server tick called outside of main coro, skipping it"
		4025	unless ++$bug_warning > 10;
		4026	return;
		4027	}
		4028
2404	cf::server_tick; # one server iteration	4029	cf::server_tick; # one server iteration
2405	$RUNTIME += $TICK;
2406	$NEXT_TICK += $TICK;
2407		4030
2408	$WAIT_FOR_TICK->broadcast;	4031	#for(1..3e6){} AE::now_update; $NOW=AE::now; # generate load #d#
2409	$WAIT_FOR_TICK_ONE->send if $WAIT_FOR_TICK_ONE->awaited;
2410		4032
2411	# if we are delayed by four ticks or more, skip them all	4033	if ($NOW >= $NEXT_RUNTIME_WRITE) {
2412	$NEXT_TICK = Event::time if Event::time >= $NEXT_TICK + $TICK * 4;	4034	$NEXT_RUNTIME_WRITE = List::Util::max $NEXT_RUNTIME_WRITE + 10, $NOW + 5.;
2413		4035	Coro::async_pool {
2414	$TICK_WATCHER->at ($NEXT_TICK);	4036	$Coro::current->{desc} = "runtime saver";
2415	$TICK_WATCHER->start;
2416	},
2417	);
2418
2419	IO::AIO::max_poll_time $TICK * 0.2;
2420
2421	Event->io (
2422	fd => IO::AIO::poll_fileno,
2423	poll => 'r',
2424	prio => 5,
2425	data => WF_AUTOCANCEL,
2426	cb => \&IO::AIO::poll_cb,
2427	);
2428
2429	Event->timer (
2430	data => WF_AUTOCANCEL,
2431	after => 0,
2432	interval => 10,
2433	cb => sub {
2434	(Coro::unblock_sub {
2435	write_runtime	4037	write_runtime_sync
2436	or warn "ERROR: unable to write runtime file: $!";	4038	or error "ERROR: unable to write runtime file: $!";
2437	})->();	4039	};
2438	},	4040	}
2439	);	4041
		4042	if (my $sig = shift @WAIT_FOR_TICK_BEGIN) {
		4043	$sig->send;
		4044	}
		4045	while (my $sig = shift @WAIT_FOR_TICK) {
		4046	$sig->send;
		4047	}
		4048
		4049	$LOAD = ($NOW - $TICK_START) / $TICK;
		4050	$LOADAVG = $LOADAVG * 0.75 + $LOAD * 0.25;
		4051
		4052	if (0) {
		4053	if ($NEXT_TICK) {
		4054	my $jitter = $TICK_START - $NEXT_TICK;
		4055	$JITTER = $JITTER * 0.75 + $jitter * 0.25;
		4056	debug "jitter $JITTER\n";#d#
		4057	}
		4058	}
		4059	}
		4060
		4061	{
		4062	# configure BDB
		4063
		4064	BDB::min_parallel 16;
		4065	BDB::max_poll_reqs $TICK * 0.1;
		4066	$AnyEvent::BDB::WATCHER->priority (1);
		4067
		4068	unless ($DB_ENV) {
		4069	$DB_ENV = BDB::db_env_create;
		4070	$DB_ENV->set_flags (BDB::AUTO_COMMIT | BDB::REGION_INIT);
		4071	$DB_ENV->set_flags (&BDB::LOG_AUTOREMOVE ) if BDB::VERSION v0, v4.7;
		4072	$DB_ENV->log_set_config (&BDB::LOG_AUTO_REMOVE) if BDB::VERSION v4.7;
		4073	$DB_ENV->set_timeout (30, BDB::SET_TXN_TIMEOUT);
		4074	$DB_ENV->set_timeout (30, BDB::SET_LOCK_TIMEOUT);
		4075
		4076	cf::sync_job {
		4077	eval {
		4078	BDB::db_env_open
		4079	$DB_ENV,
		4080	$BDBDIR,
		4081	BDB::INIT_LOCK | BDB::INIT_LOG | BDB::INIT_MPOOL | BDB::INIT_TXN
		4082	| BDB::RECOVER | BDB::REGISTER | BDB::USE_ENVIRON | BDB::CREATE,
		4083	0666;
		4084
		4085	cf::cleanup "db_env_open($BDBDIR): $!" if $!;
		4086	};
		4087
		4088	cf::cleanup "db_env_open(db): $@" if $@;
		4089	};
		4090	}
		4091
		4092	$BDB_DEADLOCK_WATCHER = EV::periodic 0, 3, 0, sub {
		4093	BDB::db_env_lock_detect $DB_ENV, 0, BDB::LOCK_DEFAULT, 0, sub { };
		4094	};
		4095	$BDB_CHECKPOINT_WATCHER = EV::periodic 0, 60, 0, sub {
		4096	BDB::db_env_txn_checkpoint $DB_ENV, 0, 0, 0, sub { };
		4097	};
		4098	$BDB_TRICKLE_WATCHER = EV::periodic 0, 10, 0, sub {
		4099	BDB::db_env_memp_trickle $DB_ENV, 20, 0, sub { };
		4100	};
		4101	}
		4102
		4103	{
		4104	# configure IO::AIO
		4105
		4106	IO::AIO::min_parallel 8;
		4107	IO::AIO::max_poll_time $TICK * 0.1;
		4108	undef $AnyEvent::AIO::WATCHER;
		4109	}
		4110
		4111	my $_log_backtrace;
		4112
		4113	sub _log_backtrace {
		4114	my ($msg, @addr) = @_;
		4115
		4116	$msg =~ s/\n//;
		4117
		4118	# limit the # of concurrent backtraces
		4119	if ($_log_backtrace < 2) {
		4120	++$_log_backtrace;
		4121	my $perl_bt = Carp::longmess $msg;
		4122	async {
		4123	$Coro::current->{desc} = "abt $msg";
		4124
		4125	my @bt = fork_call {
		4126	@addr = map { sprintf "%x", $_ } @addr;
		4127	my $self = (-f "/proc/$$/exe") ? "/proc/$$/exe" : $^X;
		4128	open my $fh, "exec addr2line -C -f -i -e \Q$self\E @addr 2>&1 |"
		4129	or die "addr2line: $!";
		4130
		4131	my @funcs;
		4132	my @res = <$fh>;
		4133	chomp for @res;
		4134	while (@res) {
		4135	my ($func, $line) = splice @res, 0, 2, ();
		4136	push @funcs, "[$func] $line";
		4137	}
		4138
		4139	@funcs
		4140	};
		4141
		4142	LOG llevInfo, "[ABT] $perl_bt\n";
		4143	LOG llevInfo, "[ABT] --- C backtrace follows ---\n";
		4144	LOG llevInfo, "[ABT] $_\n" for @bt;
		4145	--$_log_backtrace;
		4146	};
		4147	} else {
		4148	LOG llevInfo, "[ABT] $msg\n";
		4149	LOG llevInfo, "[ABT] [suppressed]\n";
		4150	}
		4151	}
		4152
		4153	# load additional modules
		4154	require "cf/$_.pm" for @EXTRA_MODULES;
		4155	cf::_connect_to_perl_2;
2440		4156
2441	END { cf::emergency_save }	4157	END { cf::emergency_save }
2442		4158
2443	1	4159	1
2444		4160

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